When the boys came, Leo was afraid and tried to run away. Yet they caught him.

当男孩们来的时候，利奥很害怕并试图逃跑。但他们还是抓住了他。

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They caught him red-handed.

他们当场把他抓住。

《新英汉大辞典》

They caught him red-handed with the stolen money in his briefcase.

他们将他逮个正着，他偷来的钱正在他的公文箱里。

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They identified him and he was caught.

监管局确认了他的身份并将他逮捕

耶鲁公开课 - 金融市场课程节选

Jean in Bordeaux, to the train station, to be shipped off to the east; but, he did very well, he became a minor Gaullist official, and he did very well, and they finally caught up with him.

到了车站,然后再被海运到东方,但是他干得很好,他成了一个戴高乐派的小官,他干的也很好,最后他们终于逮着他了

耶鲁公开课 - 1871年后的法国课程节选

"I'm glad they caught him alive, " he said.

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But then they caught him by surprise.

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I'm just glad they caught him.

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