情景对话：

A: You will be busier this term. I heard there are so many lessons.

这学期你会更忙一些，我听说课很多。

B: Oh...

嗯……

A: My little sister studies in the same school like you.

我妹妹和你一个学校。

B: I think it's time I show my cards. You see, I'm not a student.

我想是我摊牌的时候了——你看，我并非一名学生。

词海拾贝：

show one’s cards：摊牌，亮出真相

e.g. After suffering silently, she decided to show her cards with her husband. She said to him that she would like to get divorced with him.

在默默地忍受之后，她决定向丈夫摊牌——她要和他离婚。

e.g. He was never able to trump up the courage to show his cards. He got the great marks because he had cheated in the exam.

他始终鼓不起勇气摊牌——他是因考试作弊而获得好成绩。