He is a really foolish fellow.

他是个真正的笨伯。

youdao

The ball really follows a smooth curved path, so why do batters sometimes look so foolish swinging at them?

球确实顺着平滑弯曲的道路，那么为什么击球者有时会看起来如此愚蠢地去摆动它们？

youdao

But then again, when states are really powerful, the negative consequences of foolish behavior rarely prove fatal.

但是，当这些国家真的很强大时，它们愚蠢行为的负面后果就很少会出现致命的结果。

youdao

About fifteen years ago, the CEO of a client company of ours did something really foolish.

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We'd be really foolish not to listen as closely as possible.

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It would really be foolish of us.

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