see-saw
verb (especially British English)(also seesaw especially in North American English)
[intransitive]- see-saw (from A to B)
to keep changing from one situation, opinion, emotion, etc. to another and back again (局势、意见、感情等)摇摆不定,不断反复,交替 Her emotions see-sawed from anger to fear. 她一会儿气,一会儿怕,情绪变来变去。 Share prices see-sawed all day. 整整一天,股票价格时涨时跌,不断变化。
Word Originmid 17th cent. (originally used by sawyers as a rhythmical refrain): reduplication of the verb saw (symbolic of the sawing motion).