1Need for a particular purpose.

有三个病人需要手术。

请说明你想要几张票。

1. 1.1 Make necessary.
   使需要，使必要
   it would have required much research to produce a comprehensive list

   开列出一份全面的清单，想必是进行了大量的调查。

   Example sentencesExamples

   • However, more research is required before conclusions can be drawn about possible differences in costs between England and the Continent.
   • Finding the right spot for your ad in this cyber-playground requires some research, though.
   • Trading online profitably still requires research to arrive at stock picks, and the internet is an excellent resource to offer this.
   • Anticipating or even keeping up with such changes requires a significant research effort.
   • The strategy requires extensive research into a company's fundamentals.
   • What happens is that the composition process is therefore a longer process that requires a greater involvement from the composer.
   • At the same time, his research method requires a radically new view of identity and social forces.
   • The account book is a complex manuscript, requiring considerable deciphering, researching and annotating - and regrets that it had previously been inaccessible are now dispelled by this excellent publication.
   • He argues that openness in public life is necessary because meaningful participation in the democratic process requires informed participants.
   • There's an awful lot of research that's required still in order to optimise the process.
   • Devising your plan requires detailed research, analysis, self-assessment and a realistic outlook.
   • There is a field, namely, the handling of the apparatus of government, in which bureaucratic methods are required by necessity.
   • Most importantly, it will require market research firms to develop a new vocabulary and new sensibility.
   • Teenagers are not overwhelmed by the recent increase in the number of soldiers who have been wounded or killed, since they believe that this war is necessary and requires their contribution.
   • Less than a year ago my research would have required a laborious and tedious consultation of the multiple microfilm editions of Knox's works owned by my library.
   • Selecting the right energy stock or mutual fund requires research, but many folks choose these investments like they choose a corner gas station.
   • The identification and delineation of an emerging research frontier requires both adequate exposure and strong advocacy.
   • It requires research, contacts, and a whole lot of cash
   • For instance, he asserts that private industry by itself will not make the necessary investment required to improve its security.
   • As I cautioned above, I only regard the above as tentative proposals, requiring much more research before they could be taken as proved.

   Synonyms

   necessitate, demand, call for, involve, entail, take
2. 1.2 Specify as compulsory.
   规定，要求
   the minimum car insurance required by law

   法律规定的轿车最低保险额度。

   Example sentencesExamples

   • New Jersey law requires that insurance companies take all comers, even those with the worst driving records.
   • Ohio's Secretary of State has sent each group at least three letters demanding annual reports required by law.
   • It created medical privacy laws that require health care providers to be careful how they release protected health care information.
   • Lucrative television rights were up for grabs and clubs had spent millions on ground improvements required by law after the Hillsborough disaster in 1989.
   • In Switzerland and the Netherlands, insurers are required by law to provide a 4% minimum annual return.
   • In the United States, 44 of the 50 states require insurance contracts to be written in plain English.
   • Through laws requiring development to meet housing needs or through other means, we will, when required, intervene to ensure a fair market.
   • Last year, the state legislature passed a law requiring small businesses to file their taxes electronically if they owed $2,500 or more a month.
   • In 1995, the Supreme Court struck down a federal law requiring states to maintain gun-free zones around schools, ruling that the statute had nothing to do with interstate commerce.
   • Through a new state law requiring financial disclosure from all prisoners, Illinois hopes to collect 50% to 75% more.
   • The Brazilian government passed its series of laws requiring processors to begin to adopt HACCP for fishery products in 1993.
   • When the uninsured get sick, they go to emergency rooms, where hospitals are required by federal law to treat them, regardless of their ability to pay.
   • A separate insurance plan is required to provide hospital cover.
   • However, most loans contain provisions requiring compliance with laws which will allow the lender to declare an event of default and demand repayment if it learns that the borrower is breaching environmental statutes.
   • Retail giant Wal-Mart has been dragged into the vote on whether California law should require firms with more than 20 employers to provide health insurance to its staff.
   • There is an obvious incentive to report such crimes, because most insurance policies require such offences to be reported before compensation is paid.
   • However, some compulsory purchases will be required for the interchange upgrades.
   • Make sure the individual is licensed to sell insurance, which is required in all states.
   • My insurance required a second opinion, so we drove to San Francisco, where they also did the surgery.
   • It's also worth getting hold of a ‘green card’, which amounts to evidence that you have the minimum insurance required by the country your visiting.

   Synonyms

   specify, set down, set out, lay down, set forth, state clearly
3. 1.3with object and infinitive (of someone in authority) instruct or expect (someone) to do something.
   （有权威者）指示（某人）做某事，命令，要求
   you will be required to attend for cross-examination

   你将被要求接受盘问。

   Example sentencesExamples

   • From a safety perspective, the plant has monthly compliance safety training programs that all employees are required to attend.
   • All team members were required to attend and participate in data collection on day 21 and 49 of each study.
   • Junior officers in the British army require their commanding officer's permission to marry or they are obliged to resign their commission.
   • White Lodge students were not required to attend the first audition, but went straight to the finals.
   • The Competition Authority has welcomed the government's decision to require lawyers to submit tenders for work in future tribunals of inquiry.
   • Her students are required to attend two group classes per semester and participate in a semester recital.
   • Find out if the company of your dreams requires dancers to attend its school for a year or two before being offered a position.
   • If you are accepted as a member, you are required to attend an orientation.
   • This has featured disputes over when he was required to attend, the amount of notice he requires and his attitude towards the way the inquiry conducts its business.
   • Instructors may require all students to participate in the project as all or part of the course grade.
   • Taiwan's president, at the insistence of China, has been barred from attending the APEC leaders' summit since 1993, requiring Taiwan's president to send a proxy to each subsequent meeting.
   • The instrument requires the user to ask a basic question: What is the function/purpose of this scene for the telling of the story?
   • McGrath carefully charts her increasing sympathy for the people she is required to spy on, and her growing belief that it is the big corporations that demand penetration.
   • This is because, if the settlor can revoke the terms of the trust, a creditor can simply obtain a court order requiring him to do so.
   • More often, though, insurers impede care by requiring doctors to get authorization for all tests and procedures or by threatening to drop doctors whose costs they deem excessive.
   • We were looking for a restaurant that's famous for enforcing turnover by requiring patrons to order two pieces every three minutes.
   • To become a club member a person is required to apply and pay for membership.
   • To bridge the gap, scholarly publishers often require authors to raise subsidies from the institutions where they work, and this opens the way for decisions based on patronage.
   • Hamutenya said Ramatex's demands for cotton will require Namibian farmers to increase the growing of cotton.
   • In any case, upon confirmation, you are required to ship this order on the next business day, even if you think the buyer is foolish.

   Synonyms

   order, instruct, command, enjoin, oblige, bid, compel, constrain, charge, make, force
4. 1.4require something of Regard an action, ability, or quality as due from (someone) by virtue of their position.
   认为（某人）应做到（或拥有）
   the care and diligence required of him as a trustee

   作为受托人他被要求提供的照料和关注。

   Example sentencesExamples

   • International law can help but deep down it requires new ways of thinking.
   • And when you have concerns about how we're doing, contact your local police and let them know so that they can check on us and make sure there are no problems requiring other kinds of assistance.
   • I believe that optimal management of serious mental illness requires the combined efforts of both psychiatrists and psychologists who have different skills and techniques.
   • The state and federal government established guidelines requiring a minimum level of quality as indicated on the certified seed tag.
   • Each visitor requires a different level of artistic conversation, but the warmth and quality of the interaction remains the same.
   • Fulfilling these goals also requires a realistic assessment of resources, abilities and circumstances.
   • Although a railway line from Bolton Abbey to the village would be a long-term plan requiring many millions of pounds of investment, hope is high on the agenda.
   • Graphic arts darkrooms, imposition of negatives, inadequate proofing systems, platemaking - all difficult procedures requiring high degrees of skill - are replaced by your desktop computer.
   • The ability to deliver appropriate drug dosages over a prolonged period requires the release rate of encapsulated compounds to be precisely controlled.
   • The development of epistemological genealogies requires the creation of new analytical architectures.
   • Arranging the seating alone requires the mathematical ability of Albert Einstein and the tact of a UN peace commissioner.
   • And the struggle we are in today, against terrorist enemies intending violence on a massive scale, requires the same qualities of leadership that saw our nation to victory in the Cold War.
   • Edmond requires the qualities of a romantic hero, which means Errol Flynn, rather than Gary Cooper's boring brother.
   • Well, the nature of the sport requires the various types of track athletes to train specifically for their activity in order to achieve maximum performance.
   • But his bid to bring in a Private Members Bill requiring a minimum vote of 50% before any referendum could lead to changes has failed to get through the Commons.
   • Files requiring the remarks of officials are forwarded to their respective e-mails.
   • They found risks related to traffic safety would be significantly mitigated by way of a condition, including requiring the setting back of boundaries and provision of footpaths along the perimeter of the site.
   • Academic discourses, as Le Doeuff shows, also require representational abilities of their readers and writers.
   • An abrupt reversal caught the markets off-guard, requiring an immediate liquidation of leveraged long positions.
   • The lift offers a confined place, into which characters can enter and exit and the etiquette of a lift requires a particular kind of social interaction which can be exploited dramatically.

   Synonyms

   demand, insist on, call for, ask for, request, order, command, decree

   exact

   expect, look for