英语词汇“must”的意思、释义、用法解释及翻译-春雷网

must¹

modal verb mʌstməst

1Be obliged to; should (expressing necessity)
表示必要必须
you must show your ID card
the essay mustn't be over 2,000 words
字数不得超过2，000。
she said she must be going
她说她必须要走了。
Example sentencesExamples
- Businesses must tell you if you're obliged to pay to return, but they can wait until the point of delivery to do so.
- No purchase necessary, answers must be posted in the comments box for this entry.
- Their culture and way of life must of necessity reflect a human-centred moral order.
- This is a necessity and you must start doing it now because it is an exam technique.
- It is crucial that opinion must at all times be accurate and evidence based if miscarriages of justice are to be avoided.
- We must also take the necessary steps to liberate more cash from central government.
- The necessary apparatus must be assembled nearby and held in readiness.
- When I am in here I think that the chair is in the wrong place, I must move it.
- We must always question what we are being told, and by whom, however authoritative they may appear.
- The man with the clipboard may want your opinion, but he's the one holding the form that your opinion must fit into.
- A man must carry a woman, not necessarily his spouse, through a pool and across hurdles.
- To answer the question we must first identify the perpetrators of the crimes.
- To calm public opinion, police must quickly arrest the culprits and solve this case.
- As an elected Councillor I must question local residents' ability to pay these increases.
- Although some offer tackle, most do not and you must provide the necessary equipment.
- Obviously, the central biographical facts in all of these volumes must necessarily be identical.
- Finally, it must state an opinion as to the quality of the product, giving clear reasons for that opinion.
- She said that he knew what he did was wrong and that he must be punished.
- If such evidence is admitted, the jury must be directed that they are not obliged to accept such evidence.
- Once you've decided what is necessary, you must work out where to buy it.
Synonyms
ought to, should, have to, have got to, need to, be obliged to, be required to, be compelled to, be under an obligation to
1. 1.1 Expressing insistence.
  表示坚持一定
  you must try some of this fish
  这鱼你一定要尝一点儿。
  if you must smoke you could at least go in the living room
  如果你一定要抽烟的话，至少你可以到客厅里去。
  Example sentencesExamples
  If someone must smoke on the road, stop at a rest stop for a smoke break outside the car.
  He said farmers must demand full value for their stock and insist on payment on the day.
  Holiday operators sometimes insist that customers must take out its own insurance.
  We must insist that the two of you are absolutely needed to be present at this event.
  We must take action to stop the damage smoking and passive smoking do to people's health and people's lives.
  Their brief also insists that all materials must come from recycled waste material.
  This is the question that must be answered by both the authorities and the vendors themselves.
  There's a lot to be said for due process - but in this case we must insist as a country that the rules can sometimes be wrong.
  If you must smoke then smoke at home, mess up your own house, keep your own rubbish and leave the rest of us smoke free.
  We must positively insist we get the extra money to pay for more police officers.
  The doctor insists that it's dangerous and it must be treated at once.
  She insists fox hunting supporters must now accept that they have lost the argument.
  This was not all there was to his theory of art, nor did he insist that all art must be beautiful.
  If you must go to sleep, have a smoke alarm, then at least you'll wake everyone else up.
  Deciding what public benefit means must, she insisted, be left to the Charity Commission.
  Parents must insist on it and never be frightened to rock the boat at you child's school.
  The council also insists it must be able to comment on any further applications or submissions.
  I must find out what they're smoking though, seems like pretty powerful stuff.
  He pointed out this was wrong, but the checkout staff insisted that the till must be right.
  But one must remember they were not smoking up to 60 a day as is often reported today.
2. 1.2 Used in ironic questions expressing irritation.
  用于具有讽刺意味的问句中表示恼怒一定要，非要
  Charlotte, must you put spanners in the works?
  夏洛特，难道你非捣乱不可吗？
  Example sentencesExamples
  If they cannot spit when they're smoking inside a restaurant, why must they do it outside?
  The risks have been proven so why must non-smokers still be subjected to smoke they don't want to inhale?
2Expressing an opinion about something that is logically very likely.
表示合乎逻辑的推断一定，想必
there must be something wrong
一定是出了什么差错了。
you must be tired
你一定是累了。
Example sentencesExamples
- As more and more bans are introduced those who do smoke must feel like outcasts.
- I strongly believe you make your own luck, so we must be doing something wrong.
- While they all use the same delivery mechanism it is likely that prices must be the same.
- The wind is blowing so fiercely that you realise that something must be wrong.
- The Muslim Council seems to be basing their racial profiling on language - which must be wrong.
- It must be terrible for a person that has never smoked if it irritates me.
- The likely rationale must be that the company sees the fixed line telecom business as a potential cash generator.
- The Balinese people believed that there must be something wrong with their lives.
- The right to join an association logically must include the right not to do so.
- There must be something seriously wrong with Bollywood if films like these get awards.
- You feel that you must be doing something wrong or not working hard enough, to have brought such a situation about.
- There must be some favourite pastime, not necessarily strenuous, that can help you to relax.
- So, we must logically have some control over which management tools we use.
- So when at seven she began to have problems with her reading, mum Jill knew there must be something wrong.
- Because if you are wrong, it must mean you're stupid and nobody can admit that they're stupid.
- I knew something must be wrong when I overtook a second bus with the same number as one I'd already past.
- The politicians and newspapers have got it all wrong - they must be scared, or ignorant, or both.
- There must be something wrong with people who can do cryptic crosswords.
- There must be people who don't smoke, who just wander out and stand there not working.
- I must either be tired, unwittingly drugged or in an exceptionally good mood.

noun mʌstməst

informal

Something that should not be overlooked or missed.
〈非正式〉不该忽视（或不可错过）的东西；必备之物
this video is a must for everyone
这录像每一个人都该看看。
Example sentencesExamples
- The survey and evaluation are musts if this is your marketing tool.
- They say ‘defense’ and ‘consolidation’ are musts for a global game.
- When determining which media tools are right for your camp, consider the following list of musts.
- You know that brushing your teeth twice a day and flossing at least once daily are musts.
- Consider purchasing these bodybuilder musts.
- Of course girls in these classes like an older man who's set in his career to meet some of those traditional partner musts.
- These could be interspersed with edible flowers, trailing nasturtiums and orange Calendula would be musts.
- These musts are mandatory, measurable standards against which to judge new product alternatives.
- The sauces that accompany them - one minty and spicy, one fruity and sweet - are definite musts for dipping.
- Aside from the libations, though, there are a couple of other musts to make it a thoroughly enjoyable night.
- We tell you which supplements are musts and which ones can help burn bodyfat.
- Unquestionably, these are very fine books that are musts for a chess lover's library.
- Binoculars, a ‘severe-clear’ sky, and an open view to the horizon are practically musts to catch these events.
- I think life should have a few musts, and besides, it seems like she's replaced a whole lot of little musts with one big one - everyone MUST do and think what the purple book she loves says.
- Firewalls, authentication schemes and rigid testing are musts for any company that wants to maintain a trusting relationship with its customers.
- The traditions around weddings seemed very narrow and uninteresting; I couldn't see any self-expression, just a list of musts and shoulds.
- The washbag should only contain absolute musts and with the current climate no scissors, razor blades, penknives, etc unless you want them confiscated.
Synonyms
not to be missed, very good
necessity, essential, necessary thing, sine qua non, requirement, requisite

Origin

Old English mōste, past tense of mōt 'may', of Germanic origin; related to Dutch moeten and German müssen.

Rhymes

adjust, august, bust, combust, crust, dust, encrust, entrust, gust, just, lust, mistrust, robust, rust, thrust, trust, undiscussed

must²

noun mʌstməst

mass noun

Grape juice before or during fermentation.
（发酵前或发酵中的）葡萄汁

Origin

Old English, from Latin mustum, neuter (used as a noun) of mustus 'new'.

must³

noun mʌstməst

mass noun

Mustiness, dampness, or mould.
发霉；潮气；霉菌
a pervasive smell of must
四处弥漫的霉味。
Synonyms
mould, mustiness, mouldiness, mildew, fustiness, decay

Origin

Early 17th century: back-formation from musty.

must⁴

(also musth)

nounmʌstməst

mass noun

A condition of heightened aggression and unpredictable behaviour occurring annually in certain male animals, especially elephants and camels, in association with a surge in testosterone level, equivalent to the rutting season of deer and some other mammals.
a big old bull elephant in must
处于发情期狂暴状态的大老公象。
Example sentencesExamples
- Allow only male elephants under the age of fourteen to carry and interact with tourists if the Thai mahouts are unwilling or unable to tell when their male elephants are in musth.
- It ends with the animal protesting, after being chained during musth.
- Males in musth actively seek mating opportunities and become much more aggressive toward other bulls.
- Elephant bulls that are in musth - when their testosterone levels are high, and they're going aggressively after the ladies - urinate on their back legs.
- During sexually active periods, known as musth, males spend much of their time searching for mates.

adjective mʌstməst

(of a male elephant or camel) in a condition marked by heightened aggression and unpredictable behaviour that usually occurs annually in association with a surge in testosterone level.
two musth males competing for a female

Origin

Late 19th century: via Urdu from Persian mast 'intoxicated'.

must¹

modal verbməstməst

1Be obliged to; should (expressing necessity)
表示必要必须
you must show your ID card
it must not be over 2,000 words
字数不得超过2，000。
she said she must be going
她说她必须要走了。
Example sentencesExamples
- Businesses must tell you if you're obliged to pay to return, but they can wait until the point of delivery to do so.
- This is a necessity and you must start doing it now because it is an exam technique.
- Once you've decided what is necessary, you must work out where to buy it.
- Although some offer tackle, most do not and you must provide the necessary equipment.
- Their culture and way of life must of necessity reflect a human-centred moral order.
- When I am in here I think that the chair is in the wrong place, I must move it.
- To calm public opinion, police must quickly arrest the culprits and solve this case.
- We must also take the necessary steps to liberate more cash from central government.
- As an elected Councillor I must question local residents' ability to pay these increases.
- She said that he knew what he did was wrong and that he must be punished.
- We must always question what we are being told, and by whom, however authoritative they may appear.
- Finally, it must state an opinion as to the quality of the product, giving clear reasons for that opinion.
- A man must carry a woman, not necessarily his spouse, through a pool and across hurdles.
- If such evidence is admitted, the jury must be directed that they are not obliged to accept such evidence.
- To answer the question we must first identify the perpetrators of the crimes.
- The necessary apparatus must be assembled nearby and held in readiness.
- The man with the clipboard may want your opinion, but he's the one holding the form that your opinion must fit into.
- Obviously, the central biographical facts in all of these volumes must necessarily be identical.
- It is crucial that opinion must at all times be accurate and evidence based if miscarriages of justice are to be avoided.
- No purchase necessary, answers must be posted in the comments box for this entry.
Synonyms
ought to, should, have to, have got to, need to, be obliged to, be required to, be compelled to, be under an obligation to
1. 1.1 Expressing insistence.
  表示坚持一定
  you must try some of this fish
  这鱼你一定要尝一点儿。
  if you must smoke you could at least go in the living room
  如果你一定要抽烟的话，至少你可以到客厅里去。
  Example sentencesExamples
  He pointed out this was wrong, but the checkout staff insisted that the till must be right.
  Deciding what public benefit means must, she insisted, be left to the Charity Commission.
  Holiday operators sometimes insist that customers must take out its own insurance.
  Parents must insist on it and never be frightened to rock the boat at you child's school.
  The doctor insists that it's dangerous and it must be treated at once.
  She insists fox hunting supporters must now accept that they have lost the argument.
  We must positively insist we get the extra money to pay for more police officers.
  The council also insists it must be able to comment on any further applications or submissions.
  We must take action to stop the damage smoking and passive smoking do to people's health and people's lives.
  There's a lot to be said for due process - but in this case we must insist as a country that the rules can sometimes be wrong.
  If someone must smoke on the road, stop at a rest stop for a smoke break outside the car.
  He said farmers must demand full value for their stock and insist on payment on the day.
  Their brief also insists that all materials must come from recycled waste material.
  If you must go to sleep, have a smoke alarm, then at least you'll wake everyone else up.
  I must find out what they're smoking though, seems like pretty powerful stuff.
  But one must remember they were not smoking up to 60 a day as is often reported today.
  This was not all there was to his theory of art, nor did he insist that all art must be beautiful.
  We must insist that the two of you are absolutely needed to be present at this event.
  This is the question that must be answered by both the authorities and the vendors themselves.
  If you must smoke then smoke at home, mess up your own house, keep your own rubbish and leave the rest of us smoke free.
2. 1.2 Used in ironic questions expressing irritation.
  用于具有讽刺意味的问句中表示恼怒一定要，非要
  must you look so utterly suburban?
  Example sentencesExamples
  If they cannot spit when they're smoking inside a restaurant, why must they do it outside?
  The risks have been proven so why must non-smokers still be subjected to smoke they don't want to inhale?
2Expressing an opinion about something that is logically very likely.
表示合乎逻辑的推断一定，想必
there must be something wrong
一定是出了什么差错了。
you must be tired
你一定是累了。
Example sentencesExamples
- I knew something must be wrong when I overtook a second bus with the same number as one I'd already past.
- So when at seven she began to have problems with her reading, mum Jill knew there must be something wrong.
- There must be some favourite pastime, not necessarily strenuous, that can help you to relax.
- The likely rationale must be that the company sees the fixed line telecom business as a potential cash generator.
- As more and more bans are introduced those who do smoke must feel like outcasts.
- So, we must logically have some control over which management tools we use.
- You feel that you must be doing something wrong or not working hard enough, to have brought such a situation about.
- There must be people who don't smoke, who just wander out and stand there not working.
- It must be terrible for a person that has never smoked if it irritates me.
- The right to join an association logically must include the right not to do so.
- The Balinese people believed that there must be something wrong with their lives.
- The wind is blowing so fiercely that you realise that something must be wrong.
- Because if you are wrong, it must mean you're stupid and nobody can admit that they're stupid.
- The Muslim Council seems to be basing their racial profiling on language - which must be wrong.
- I must either be tired, unwittingly drugged or in an exceptionally good mood.
- The politicians and newspapers have got it all wrong - they must be scared, or ignorant, or both.
- There must be something wrong with people who can do cryptic crosswords.
- While they all use the same delivery mechanism it is likely that prices must be the same.
- There must be something seriously wrong with Bollywood if films like these get awards.
- I strongly believe you make your own luck, so we must be doing something wrong.

nounməstməst

informal

Something that should not be overlooked or missed.
〈非正式〉不该忽视（或不可错过）的东西；必备之物
this video is a must for parents
这录像每一个人都该看看。
Example sentencesExamples
- These musts are mandatory, measurable standards against which to judge new product alternatives.
- You know that brushing your teeth twice a day and flossing at least once daily are musts.
- I think life should have a few musts, and besides, it seems like she's replaced a whole lot of little musts with one big one - everyone MUST do and think what the purple book she loves says.
- They say ‘defense’ and ‘consolidation’ are musts for a global game.
- We tell you which supplements are musts and which ones can help burn bodyfat.
- Of course girls in these classes like an older man who's set in his career to meet some of those traditional partner musts.
- The sauces that accompany them - one minty and spicy, one fruity and sweet - are definite musts for dipping.
- The washbag should only contain absolute musts and with the current climate no scissors, razor blades, penknives, etc unless you want them confiscated.
- These could be interspersed with edible flowers, trailing nasturtiums and orange Calendula would be musts.
- The traditions around weddings seemed very narrow and uninteresting; I couldn't see any self-expression, just a list of musts and shoulds.
- Binoculars, a ‘severe-clear’ sky, and an open view to the horizon are practically musts to catch these events.
- When determining which media tools are right for your camp, consider the following list of musts.
- Consider purchasing these bodybuilder musts.
- Aside from the libations, though, there are a couple of other musts to make it a thoroughly enjoyable night.
- Firewalls, authentication schemes and rigid testing are musts for any company that wants to maintain a trusting relationship with its customers.
- Unquestionably, these are very fine books that are musts for a chess lover's library.
- The survey and evaluation are musts if this is your marketing tool.
Synonyms
not to be missed, very good

Origin

Old English mōste, past tense of mōt ‘may’, of Germanic origin; related to Dutch moeten and German müssen.

must²

nounməstməst

Grape juice before or during fermentation.
（发酵前或发酵中的）葡萄汁

Origin

Old English, from Latin mustum, neuter (used as a noun) of mustus ‘new’.

must³

nounməstməst

Mustiness, dampness, or mold.
发霉；潮气；霉菌
a pervasive smell of must
四处弥漫的霉味。
Synonyms
mould, mustiness, mouldiness, mildew, fustiness, decay

Origin

Early 17th century: back-formation from musty.

must⁴

(also musth)

nounməstməst

A condition of heightened aggression and unpredictable behavior occurring annually in certain male animals, especially elephants and camels, in association with a surge in testosterone level, equivalent to the rutting season of deer and some other mammals.
a big old bull elephant in must
处于发情期狂暴状态的大老公象。
Example sentencesExamples
- It ends with the animal protesting, after being chained during musth.
- Allow only male elephants under the age of fourteen to carry and interact with tourists if the Thai mahouts are unwilling or unable to tell when their male elephants are in musth.
- Elephant bulls that are in musth - when their testosterone levels are high, and they're going aggressively after the ladies - urinate on their back legs.
- During sexually active periods, known as musth, males spend much of their time searching for mates.
- Males in musth actively seek mating opportunities and become much more aggressive toward other bulls.

adjectiveməstməst

(of a male elephant or camel) in a condition marked by heightened aggression and unpredictable behavior that usually occurs annually in association with a surge in testosterone level.
two musth males competing for a female

Origin

Late 19th century: via Urdu from Persian mast ‘intoxicated’.

词汇	must
释义	must¹ modal verb mʌstməst 1Be obliged to; should (expressing necessity) 表示必要必须 you must show your ID card the essay mustn't be over 2,000 words 字数不得超过2，000。 she said she must be going 她说她必须要走了。 Example sentencesExamples Businesses must tell you if you're obliged to pay to return, but they can wait until the point of delivery to do so. No purchase necessary, answers must be posted in the comments box for this entry. Their culture and way of life must of necessity reflect a human-centred moral order. This is a necessity and you must start doing it now because it is an exam technique. It is crucial that opinion must at all times be accurate and evidence based if miscarriages of justice are to be avoided. We must also take the necessary steps to liberate more cash from central government. The necessary apparatus must be assembled nearby and held in readiness. When I am in here I think that the chair is in the wrong place, I must move it. We must always question what we are being told, and by whom, however authoritative they may appear. The man with the clipboard may want your opinion, but he's the one holding the form that your opinion must fit into. A man must carry a woman, not necessarily his spouse, through a pool and across hurdles. To answer the question we must first identify the perpetrators of the crimes. To calm public opinion, police must quickly arrest the culprits and solve this case. As an elected Councillor I must question local residents' ability to pay these increases. Although some offer tackle, most do not and you must provide the necessary equipment. Obviously, the central biographical facts in all of these volumes must necessarily be identical. Finally, it must state an opinion as to the quality of the product, giving clear reasons for that opinion. She said that he knew what he did was wrong and that he must be punished. If such evidence is admitted, the jury must be directed that they are not obliged to accept such evidence. Once you've decided what is necessary, you must work out where to buy it. Synonyms ought to, should, have to, have got to, need to, be obliged to, be required to, be compelled to, be under an obligation to 1.1 Expressing insistence. 表示坚持一定 you must try some of this fish 这鱼你一定要尝一点儿。 if you must smoke you could at least go in the living room 如果你一定要抽烟的话，至少你可以到客厅里去。 Example sentencesExamples If someone must smoke on the road, stop at a rest stop for a smoke break outside the car. He said farmers must demand full value for their stock and insist on payment on the day. Holiday operators sometimes insist that customers must take out its own insurance. We must insist that the two of you are absolutely needed to be present at this event. We must take action to stop the damage smoking and passive smoking do to people's health and people's lives. Their brief also insists that all materials must come from recycled waste material. This is the question that must be answered by both the authorities and the vendors themselves. There's a lot to be said for due process - but in this case we must insist as a country that the rules can sometimes be wrong. If you must smoke then smoke at home, mess up your own house, keep your own rubbish and leave the rest of us smoke free. We must positively insist we get the extra money to pay for more police officers. The doctor insists that it's dangerous and it must be treated at once. She insists fox hunting supporters must now accept that they have lost the argument. This was not all there was to his theory of art, nor did he insist that all art must be beautiful. If you must go to sleep, have a smoke alarm, then at least you'll wake everyone else up. Deciding what public benefit means must, she insisted, be left to the Charity Commission. Parents must insist on it and never be frightened to rock the boat at you child's school. The council also insists it must be able to comment on any further applications or submissions. I must find out what they're smoking though, seems like pretty powerful stuff. He pointed out this was wrong, but the checkout staff insisted that the till must be right. But one must remember they were not smoking up to 60 a day as is often reported today. 1.2 Used in ironic questions expressing irritation. 用于具有讽刺意味的问句中表示恼怒一定要，非要 Charlotte, must you put spanners in the works? 夏洛特，难道你非捣乱不可吗？ Example sentencesExamples If they cannot spit when they're smoking inside a restaurant, why must they do it outside? The risks have been proven so why must non-smokers still be subjected to smoke they don't want to inhale? 2Expressing an opinion about something that is logically very likely. 表示合乎逻辑的推断一定，想必 there must be something wrong 一定是出了什么差错了。 you must be tired 你一定是累了。 Example sentencesExamples As more and more bans are introduced those who do smoke must feel like outcasts. I strongly believe you make your own luck, so we must be doing something wrong. While they all use the same delivery mechanism it is likely that prices must be the same. The wind is blowing so fiercely that you realise that something must be wrong. The Muslim Council seems to be basing their racial profiling on language - which must be wrong. It must be terrible for a person that has never smoked if it irritates me. The likely rationale must be that the company sees the fixed line telecom business as a potential cash generator. The Balinese people believed that there must be something wrong with their lives. The right to join an association logically must include the right not to do so. There must be something seriously wrong with Bollywood if films like these get awards. You feel that you must be doing something wrong or not working hard enough, to have brought such a situation about. There must be some favourite pastime, not necessarily strenuous, that can help you to relax. So, we must logically have some control over which management tools we use. So when at seven she began to have problems with her reading, mum Jill knew there must be something wrong. Because if you are wrong, it must mean you're stupid and nobody can admit that they're stupid. I knew something must be wrong when I overtook a second bus with the same number as one I'd already past. The politicians and newspapers have got it all wrong - they must be scared, or ignorant, or both. There must be something wrong with people who can do cryptic crosswords. There must be people who don't smoke, who just wander out and stand there not working. I must either be tired, unwittingly drugged or in an exceptionally good mood. noun mʌstməst informal Something that should not be overlooked or missed. 〈非正式〉不该忽视（或不可错过）的东西；必备之物 this video is a must for everyone 这录像每一个人都该看看。 Example sentencesExamples The survey and evaluation are musts if this is your marketing tool. They say ‘defense’ and ‘consolidation’ are musts for a global game. When determining which media tools are right for your camp, consider the following list of musts. You know that brushing your teeth twice a day and flossing at least once daily are musts. Consider purchasing these bodybuilder musts. Of course girls in these classes like an older man who's set in his career to meet some of those traditional partner musts. These could be interspersed with edible flowers, trailing nasturtiums and orange Calendula would be musts. These musts are mandatory, measurable standards against which to judge new product alternatives. The sauces that accompany them - one minty and spicy, one fruity and sweet - are definite musts for dipping. Aside from the libations, though, there are a couple of other musts to make it a thoroughly enjoyable night. We tell you which supplements are musts and which ones can help burn bodyfat. Unquestionably, these are very fine books that are musts for a chess lover's library. Binoculars, a ‘severe-clear’ sky, and an open view to the horizon are practically musts to catch these events. I think life should have a few musts, and besides, it seems like she's replaced a whole lot of little musts with one big one - everyone MUST do and think what the purple book she loves says. Firewalls, authentication schemes and rigid testing are musts for any company that wants to maintain a trusting relationship with its customers. The traditions around weddings seemed very narrow and uninteresting; I couldn't see any self-expression, just a list of musts and shoulds. The washbag should only contain absolute musts and with the current climate no scissors, razor blades, penknives, etc unless you want them confiscated. Synonyms not to be missed, very good necessity, essential, necessary thing, sine qua non, requirement, requisite Origin Old English mōste, past tense of mōt 'may', of Germanic origin; related to Dutch moeten and German müssen. Rhymes adjust, august, bust, combust, crust, dust, encrust, entrust, gust, just, lust, mistrust, robust, rust, thrust, trust, undiscussed must² noun mʌstməst mass noun Grape juice before or during fermentation. （发酵前或发酵中的）葡萄汁 Origin Old English, from Latin mustum, neuter (used as a noun) of mustus 'new'. must³ noun mʌstməst mass noun Mustiness, dampness, or mould. 发霉；潮气；霉菌 a pervasive smell of must 四处弥漫的霉味。 Synonyms mould, mustiness, mouldiness, mildew, fustiness, decay Origin Early 17th century: back-formation from musty. must⁴ (also musth) nounmʌstməst mass noun A condition of heightened aggression and unpredictable behaviour occurring annually in certain male animals, especially elephants and camels, in association with a surge in testosterone level, equivalent to the rutting season of deer and some other mammals. a big old bull elephant in must 处于发情期狂暴状态的大老公象。 Example sentencesExamples Allow only male elephants under the age of fourteen to carry and interact with tourists if the Thai mahouts are unwilling or unable to tell when their male elephants are in musth. It ends with the animal protesting, after being chained during musth. Males in musth actively seek mating opportunities and become much more aggressive toward other bulls. Elephant bulls that are in musth - when their testosterone levels are high, and they're going aggressively after the ladies - urinate on their back legs. During sexually active periods, known as musth, males spend much of their time searching for mates. adjective mʌstməst (of a male elephant or camel) in a condition marked by heightened aggression and unpredictable behaviour that usually occurs annually in association with a surge in testosterone level. two musth males competing for a female Origin Late 19th century: via Urdu from Persian mast 'intoxicated'. modal.1 noun.1 noun.2 noun.3 must¹ modal verbməstməst 1Be obliged to; should (expressing necessity) 表示必要必须 you must show your ID card it must not be over 2,000 words 字数不得超过2，000。 she said she must be going 她说她必须要走了。 Example sentencesExamples Businesses must tell you if you're obliged to pay to return, but they can wait until the point of delivery to do so. This is a necessity and you must start doing it now because it is an exam technique. Once you've decided what is necessary, you must work out where to buy it. Although some offer tackle, most do not and you must provide the necessary equipment. Their culture and way of life must of necessity reflect a human-centred moral order. When I am in here I think that the chair is in the wrong place, I must move it. To calm public opinion, police must quickly arrest the culprits and solve this case. We must also take the necessary steps to liberate more cash from central government. As an elected Councillor I must question local residents' ability to pay these increases. She said that he knew what he did was wrong and that he must be punished. We must always question what we are being told, and by whom, however authoritative they may appear. Finally, it must state an opinion as to the quality of the product, giving clear reasons for that opinion. A man must carry a woman, not necessarily his spouse, through a pool and across hurdles. If such evidence is admitted, the jury must be directed that they are not obliged to accept such evidence. To answer the question we must first identify the perpetrators of the crimes. The necessary apparatus must be assembled nearby and held in readiness. The man with the clipboard may want your opinion, but he's the one holding the form that your opinion must fit into. Obviously, the central biographical facts in all of these volumes must necessarily be identical. It is crucial that opinion must at all times be accurate and evidence based if miscarriages of justice are to be avoided. No purchase necessary, answers must be posted in the comments box for this entry. Synonyms ought to, should, have to, have got to, need to, be obliged to, be required to, be compelled to, be under an obligation to 1.1 Expressing insistence. 表示坚持一定 you must try some of this fish 这鱼你一定要尝一点儿。 if you must smoke you could at least go in the living room 如果你一定要抽烟的话，至少你可以到客厅里去。 Example sentencesExamples He pointed out this was wrong, but the checkout staff insisted that the till must be right. Deciding what public benefit means must, she insisted, be left to the Charity Commission. Holiday operators sometimes insist that customers must take out its own insurance. Parents must insist on it and never be frightened to rock the boat at you child's school. The doctor insists that it's dangerous and it must be treated at once. She insists fox hunting supporters must now accept that they have lost the argument. We must positively insist we get the extra money to pay for more police officers. The council also insists it must be able to comment on any further applications or submissions. We must take action to stop the damage smoking and passive smoking do to people's health and people's lives. There's a lot to be said for due process - but in this case we must insist as a country that the rules can sometimes be wrong. If someone must smoke on the road, stop at a rest stop for a smoke break outside the car. He said farmers must demand full value for their stock and insist on payment on the day. Their brief also insists that all materials must come from recycled waste material. If you must go to sleep, have a smoke alarm, then at least you'll wake everyone else up. I must find out what they're smoking though, seems like pretty powerful stuff. But one must remember they were not smoking up to 60 a day as is often reported today. This was not all there was to his theory of art, nor did he insist that all art must be beautiful. We must insist that the two of you are absolutely needed to be present at this event. This is the question that must be answered by both the authorities and the vendors themselves. If you must smoke then smoke at home, mess up your own house, keep your own rubbish and leave the rest of us smoke free. 1.2 Used in ironic questions expressing irritation. 用于具有讽刺意味的问句中表示恼怒一定要，非要 must you look so utterly suburban? Example sentencesExamples If they cannot spit when they're smoking inside a restaurant, why must they do it outside? The risks have been proven so why must non-smokers still be subjected to smoke they don't want to inhale? 2Expressing an opinion about something that is logically very likely. 表示合乎逻辑的推断一定，想必 there must be something wrong 一定是出了什么差错了。 you must be tired 你一定是累了。 Example sentencesExamples I knew something must be wrong when I overtook a second bus with the same number as one I'd already past. So when at seven she began to have problems with her reading, mum Jill knew there must be something wrong. There must be some favourite pastime, not necessarily strenuous, that can help you to relax. The likely rationale must be that the company sees the fixed line telecom business as a potential cash generator. As more and more bans are introduced those who do smoke must feel like outcasts. So, we must logically have some control over which management tools we use. You feel that you must be doing something wrong or not working hard enough, to have brought such a situation about. There must be people who don't smoke, who just wander out and stand there not working. It must be terrible for a person that has never smoked if it irritates me. The right to join an association logically must include the right not to do so. The Balinese people believed that there must be something wrong with their lives. The wind is blowing so fiercely that you realise that something must be wrong. Because if you are wrong, it must mean you're stupid and nobody can admit that they're stupid. The Muslim Council seems to be basing their racial profiling on language - which must be wrong. I must either be tired, unwittingly drugged or in an exceptionally good mood. The politicians and newspapers have got it all wrong - they must be scared, or ignorant, or both. There must be something wrong with people who can do cryptic crosswords. While they all use the same delivery mechanism it is likely that prices must be the same. There must be something seriously wrong with Bollywood if films like these get awards. I strongly believe you make your own luck, so we must be doing something wrong. nounməstməst informal Something that should not be overlooked or missed. 〈非正式〉不该忽视（或不可错过）的东西；必备之物 this video is a must for parents 这录像每一个人都该看看。 Example sentencesExamples These musts are mandatory, measurable standards against which to judge new product alternatives. You know that brushing your teeth twice a day and flossing at least once daily are musts. I think life should have a few musts, and besides, it seems like she's replaced a whole lot of little musts with one big one - everyone MUST do and think what the purple book she loves says. They say ‘defense’ and ‘consolidation’ are musts for a global game. We tell you which supplements are musts and which ones can help burn bodyfat. Of course girls in these classes like an older man who's set in his career to meet some of those traditional partner musts. The sauces that accompany them - one minty and spicy, one fruity and sweet - are definite musts for dipping. The washbag should only contain absolute musts and with the current climate no scissors, razor blades, penknives, etc unless you want them confiscated. These could be interspersed with edible flowers, trailing nasturtiums and orange Calendula would be musts. The traditions around weddings seemed very narrow and uninteresting; I couldn't see any self-expression, just a list of musts and shoulds. Binoculars, a ‘severe-clear’ sky, and an open view to the horizon are practically musts to catch these events. When determining which media tools are right for your camp, consider the following list of musts. Consider purchasing these bodybuilder musts. Aside from the libations, though, there are a couple of other musts to make it a thoroughly enjoyable night. Firewalls, authentication schemes and rigid testing are musts for any company that wants to maintain a trusting relationship with its customers. Unquestionably, these are very fine books that are musts for a chess lover's library. The survey and evaluation are musts if this is your marketing tool. Synonyms not to be missed, very good Origin Old English mōste, past tense of mōt ‘may’, of Germanic origin; related to Dutch moeten and German müssen. must² nounməstməst Grape juice before or during fermentation. （发酵前或发酵中的）葡萄汁 Origin Old English, from Latin mustum, neuter (used as a noun) of mustus ‘new’. must³ nounməstməst Mustiness, dampness, or mold. 发霉；潮气；霉菌 a pervasive smell of must 四处弥漫的霉味。 Synonyms mould, mustiness, mouldiness, mildew, fustiness, decay Origin Early 17th century: back-formation from musty. must⁴ (also musth) nounməstməst A condition of heightened aggression and unpredictable behavior occurring annually in certain male animals, especially elephants and camels, in association with a surge in testosterone level, equivalent to the rutting season of deer and some other mammals. a big old bull elephant in must 处于发情期狂暴状态的大老公象。 Example sentencesExamples It ends with the animal protesting, after being chained during musth. Allow only male elephants under the age of fourteen to carry and interact with tourists if the Thai mahouts are unwilling or unable to tell when their male elephants are in musth. Elephant bulls that are in musth - when their testosterone levels are high, and they're going aggressively after the ladies - urinate on their back legs. During sexually active periods, known as musth, males spend much of their time searching for mates. Males in musth actively seek mating opportunities and become much more aggressive toward other bulls. adjectiveməstməst (of a male elephant or camel) in a condition marked by heightened aggression and unpredictable behavior that usually occurs annually in association with a surge in testosterone level. two musth males competing for a female Origin Late 19th century: via Urdu from Persian mast ‘intoxicated’. modal.1 noun.1 noun.2 noun.3
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