曲线球：指通过旋转食指和中指向下投掷的一种前旋球，使球向下弯曲。
意外的事件转折或异常情况：指由对手或机会引发的意外事件，或者指一个例外或离群值。
curve ball //
名词 a ball pitched in a curving path so as to make it more difficult to hit 使其很难被击打的弧线球
a pitch of a baseball that is thrown with spin so that its path curves as it approach the batter
同义词： curve / breaking ball / bender
曲线球
曲球
巴西的弧线球(Curve ball)即是全国范本的教科书。可小罗等人的加入，彷佛眼前浮现了一个隔空断档，非论是卡卡仍然埃拉诺，其任意球都欠缺必定的特征，就当...
... curtain最后一个上场的投球失误 curve ball曲球 cushion挡球垫 ...
李娜的发球局就堕入死战，历古莉丝古利用上旋球和正手切削变化球(Curve ball)，令李娜很是不适宜，屡次回球失误，一个领导者的所有艺术中的艺术，就是他估量他们，权衡他们，以及“估价他们”的能力。
我及时教导孩子们，这是人生里面必然有的曲线球(curve ball)，不顺心不如意的事可以是化装的祝福。后来船长在给乘客的道歉信里，也不约而同地用到曲线球这个字眼。
At the last minute, I threw them a curve ball by saying, "We're going to bring spouses."
在最后一刻，我给了他们一个惊喜，说：“我们会带配偶。”
In the contest to unlock new rackets, tosses faster, making a big curve ball and more!
在竞赛中解锁出新的球拍，可击打的更快、打出大的曲线球和更多！
You may lose weight for a little bit, but you'll regain it when life throws you a curve ball.
你或许可以慢慢地减肥，但当生活扔给你一个曲线球，你又会很快地回复。
But a person who threw a curve ball did something unexpected.
VOA : special.2009.04.12
Could the wider distribution of the latest iPhone have thrown a curve ball at HTC?
"This was a very big curve ball, " said Jay Wheatley, head of the tax-exempt bond syndicate desk at Citigroup.
The scary part was supposed to be tablet and smartphone market, where European conumer demand trouble is creating a curve ball for investors.
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