take the fifth
拒絕回答問題或給予任何信息，通常是因?yàn)楹ε伦约嚎赡軙?huì)被指控違法或引起麻煩。
法律或日常·拒絕回答敏感問題
英文釋義
to refuse to answer a question, especially in a legal proceeding, in order to avoid self-incrimination
例句
When asked about his whereabouts, he decided to take the fifth.
典故來源
源自美國憲法第五修正案，賦予公民在法庭上拒絕自證其罪的權(quán)利。