S-14:show one's cards 摊牌
A:You will be busier this term. I heard there are so many lessons.
A:这学期你会更忙一些，我听说课很多。
B:Oh...
B：嗯……
A:My little sister studies in the same school like you.
A: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.
B：我想是我摊牌的时候了，你看，我并非一名学生。
