Mother: What are you crying for?

Tommy: Teacher kept me in for something I didn't do.

Mother: Something you didn't do? What was it?

Tommy: M-m-my lessons.

妈妈：你哭什么？

汤米：老师为了一件我没做的事把我留下了。

妈妈：一件你没做的事？什么事？

汤米：我……我的作业。

注："for something I didn't do"的意思是：“为了不是我做的事情”，但也表示“为了我没有做的事情。”