Definition of see-saw in English:

see-saw

noun ˈsiːsɔː

1A long plank balanced in the middle on a fixed support, on each end of which children sit and swing up and down by pushing the ground alternately with their feet.
跷跷板
Example sentencesExamples
- This week some swings and see-saws have been put in the site.
- Greta told me of her childhood when she enjoyed visits to Feniscowles Hall, which then had pleasure gardens with swings and see-saws.
- Every block has a park with the usual swing, see-saw and playthings.
- Some brought see-saws, slides and swings to their frames.
- All the traditional features, such as climbing frames, swings, see-saws and slides, can be seen but there is so much more besides.
- Thirteen children's playgrounds are to be shut down but swings, see-saws and slides on six other sites are to be saved.
- When not on the beach, Rian enjoyed the children's playground, which offered a slide, swings, see-saw and fortress.
- The display now includes a see-saw, rocking horse, Santas, gnomes and elves.
- Swings, a see-saw and a slide had already been ordered.
- There have already been hundreds of people coming to this park, and because there is such a big demand, we are planning on adding a second set of swings, see-saws, sand pit and benches.
- Therefore, he had plenty of time for such wholesome activities as sitting motionless on the edge of a see-saw.
- It journeys through an assault course of fields, hills, rivers, woods, a see-saw and other exciting obstacles.
- If this proposed standard is adopted, it will outlaw all but the tiniest horses and it also affects other indoor toys such as swings and see-saws.
1. 1.1 A situation characterized by rapid, repeated changes from one state or condition to another.
  〈喻〉忽起忽落；变幻无常
  the emotional see-saw of a first love affair
  初恋心情的变幻无常。
  as modifier see-saw interest rates
  忽起忽落的利率。
  Example sentencesExamples
  Few contests ever have involved so much see-saw emotion.
  The intellectual see-saw continues as we're carefully guided through an ethical minefield of technologies.
  In these see-saw markets, in whom, or what, do we trust?
  The emotional see-saw of her life so far, with its successes and failures, knows few limits.

verbˈsiːsɔː

[no object]

1Change rapidly and repeatedly from one position, situation, or condition to another and back again.
变化不定；忽起忽落
the market see-sawed as rumours spread of an imminent cabinet reshuffle
由于传闻内阁即将改组，市场因而起伏不定。
Example sentencesExamples
- The match, played in ideal conditions, kept the large attendance enthralled for long periods of the opening half as the lead see-sawed back and forth, first one side gaining the initiative then the other.
- First, it is suggested that successive attempts to expound a Marxian theory of nature have see-sawed between naturalistic and social constructionist positions.
- The momentum and fatigue factors see-sawed back and forth.
- Volatility was rife in the markets last week, with all major indexes see-sawing.
- During that period his condition would see-saw and we were not sure if he would pull through.
- Fuel surcharges have see-sawed this year, going up to as high as US $112 per container.
- He often seems to see-saw on issues, and even his advocates find this to be a very weak point in his campaign for presidency.
- In the weeks that followed, Japanese policy toward China see-sawed several times, but generally moved towards greater mobilization and tougher demands.
- The London Market's fortunes continued to see-saw yesterday as the City digested yet another dramatic session.
- Oddly enough, you see-saw between overconfidence and self-doubt.
Synonyms
change, fluctuate, oscillate, waver, alternate, yo-yo, vary, shift, alter, undulate, ebb and flow, rise and fall, go up and down, go back and forth
1. 1.1with object Cause (something) to move back and forth or up and down rapidly and repeatedly.
  使前后来回移动；使起伏不定
  Sybil see-sawed the car back and forth
  西比尔将车前后来回地开着。
  Synonyms
  fluctuate, swing, go from one extreme to the other, go up and down, rise and fall, oscillate, alternate, yo-yo, teeter, be unstable, be unsteady, vary, shift, sway, ebb and flow

Origin

Mid 17th century (originally used by sawyers as a rhythmical refrain): reduplication of the verb saw¹ (symbolic of the sawing motion).

词汇	see-saw
释义	Definition of see-saw in English: see-saw noun ˈsiːsɔː 1A long plank balanced in the middle on a fixed support, on each end of which children sit and swing up and down by pushing the ground alternately with their feet. 跷跷板 Example sentencesExamples This week some swings and see-saws have been put in the site. Greta told me of her childhood when she enjoyed visits to Feniscowles Hall, which then had pleasure gardens with swings and see-saws. Every block has a park with the usual swing, see-saw and playthings. Some brought see-saws, slides and swings to their frames. All the traditional features, such as climbing frames, swings, see-saws and slides, can be seen but there is so much more besides. Thirteen children's playgrounds are to be shut down but swings, see-saws and slides on six other sites are to be saved. When not on the beach, Rian enjoyed the children's playground, which offered a slide, swings, see-saw and fortress. The display now includes a see-saw, rocking horse, Santas, gnomes and elves. Swings, a see-saw and a slide had already been ordered. There have already been hundreds of people coming to this park, and because there is such a big demand, we are planning on adding a second set of swings, see-saws, sand pit and benches. Therefore, he had plenty of time for such wholesome activities as sitting motionless on the edge of a see-saw. It journeys through an assault course of fields, hills, rivers, woods, a see-saw and other exciting obstacles. If this proposed standard is adopted, it will outlaw all but the tiniest horses and it also affects other indoor toys such as swings and see-saws. 1.1 A situation characterized by rapid, repeated changes from one state or condition to another. 〈喻〉忽起忽落；变幻无常 the emotional see-saw of a first love affair 初恋心情的变幻无常。 as modifier see-saw interest rates 忽起忽落的利率。 Example sentencesExamples Few contests ever have involved so much see-saw emotion. The intellectual see-saw continues as we're carefully guided through an ethical minefield of technologies. In these see-saw markets, in whom, or what, do we trust? The emotional see-saw of her life so far, with its successes and failures, knows few limits. verbˈsiːsɔː [no object] 1Change rapidly and repeatedly from one position, situation, or condition to another and back again. 变化不定；忽起忽落 the market see-sawed as rumours spread of an imminent cabinet reshuffle 由于传闻内阁即将改组，市场因而起伏不定。 Example sentencesExamples The match, played in ideal conditions, kept the large attendance enthralled for long periods of the opening half as the lead see-sawed back and forth, first one side gaining the initiative then the other. First, it is suggested that successive attempts to expound a Marxian theory of nature have see-sawed between naturalistic and social constructionist positions. The momentum and fatigue factors see-sawed back and forth. Volatility was rife in the markets last week, with all major indexes see-sawing. During that period his condition would see-saw and we were not sure if he would pull through. Fuel surcharges have see-sawed this year, going up to as high as US $112 per container. He often seems to see-saw on issues, and even his advocates find this to be a very weak point in his campaign for presidency. In the weeks that followed, Japanese policy toward China see-sawed several times, but generally moved towards greater mobilization and tougher demands. The London Market's fortunes continued to see-saw yesterday as the City digested yet another dramatic session. Oddly enough, you see-saw between overconfidence and self-doubt. Synonyms change, fluctuate, oscillate, waver, alternate, yo-yo, vary, shift, alter, undulate, ebb and flow, rise and fall, go up and down, go back and forth 1.1with object Cause (something) to move back and forth or up and down rapidly and repeatedly. 使前后来回移动；使起伏不定 Sybil see-sawed the car back and forth 西比尔将车前后来回地开着。 Synonyms fluctuate, swing, go from one extreme to the other, go up and down, rise and fall, oscillate, alternate, yo-yo, teeter, be unstable, be unsteady, vary, shift, sway, ebb and flow Origin Mid 17th century (originally used by sawyers as a rhythmical refrain): reduplication of the verb saw¹ (symbolic of the sawing motion).
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