see-saw

基本解释

In terms of your emotional state I remember a see-saw of panic and terror.
涉及到情绪状况，我记得是摇摆于惊慌与恐惧之间。
Reflects the Peugeot saw three advantages: well-serrated teeth like lion's wear, saw themselves as the backbone of the Lions flexible, see-saw performance like lions are to clear.
体现了标致拉锯的三大优点：锯齿象雄狮的牙齿久经耐磨、锯身象狮子的脊梁骨富有弹性、拉锯的性能象狮子一样所向无阻。
Philosophy of course tolerates no mere assertions or conceits, and checks the free play of argumentative see-saw.
哲学当然不容许单纯的武断或妄自尊大，也不容许任意无端的往复辩论。
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Chuck Berry, one can see -- even I, every so often in the facility of Saint Louis -- I saw him a year or two ago, playing guitar and doing something approximating a dog walk.
很多人都看过Chuck，Berry表演，我也经常看,就在一两年前，我在圣路易斯,看到他弹着吉他，做着舞步,有点像一只狗在走路。
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Back and forth they would see-saw before finally agreeing that it's one or the other.
ECONOMIST: London's National Gallery
An interesting see-saw price action has developed between shares of Apple (AAPL) and Facebook (FB).
FORBES: Move up http://i.forbesimg.com t Move down
At some future point, interest rates will rise—which mean bond prices will fall (the old yield-price see-saw).
FORBES: That Other Kind of Risk

A seesaw is a long board which is balanced in the middle. To play on it, a child sits on each end, and when one end goes up, the other goes down.