They worry about failing his class and ruining their chances to enter a top university.

他们担心通不过这门课而毁了进入顶尖大学的机会。

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If you think of it as a huge deal that is completely ruining your game, then chances are it might end up doing just that.

如果你觉得这是个很严重的，彻底玩完的事情，那很有可能你就真的玩完了。

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Paul Scholes has accused "very selfish" players of ruining England's international chances by putting their own careers ahead of the national team.

斯科尔斯指责那些自私的球员把个人得失放在国家队之前，这让英格兰无法在国际大赛中有所作为。

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But Tendulkar's 38th Test hundred has gone a long way towards ruining their chances of equalling their own world record of 16.

BBC: Sachin Tendulkar hails his century in Sydney

Instead of a probabilistic world where we are comfortable making decisions according to, say, the odds of thunderstorms ruining a picnic, we are thrust into binary hell, where the choices and chances are only two: win or lose, white or black, benign or malignant.

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