reveal/show one's hand 露出底牌

【讲解】

reveal意为“展现，露出”，show意为“给……看，显示，显出”。该习语直译为“显露自己的手”，引申为“表明企图，露出底牌”。

【对话】

A:Tom came to my home and talked with me the whole night yesterday.

A:昨天汤姆到我家和我聊了整整一个晚上。

B:What were you talking about?

B:谈了些什么？

A:Everything under the sun, and he revealed his hand to ask me to help him in the exam at last.

A:无所不谈，最后他终于表明他的目的，想让我在考试中帮帮他。

B:Did you agree?

B:你答应了？

A:Of course not.

A:当然不会。