言葉尻を捉える， 言葉尻をとらえる， 言葉尻を捕らえる， ことばじりをとらえる

1. to pounce on someone's words, to cavil at someone's words, to trip someone up with their own words

抓住某人的话不放，对某人的话吹毛求疵，用对方的话反驳对方

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