令老师烦恼的是，问起谁打破了窗户时，在场的人没有一个回答，所以他不知道该责怪谁。

What troubled the teacher was that no one present made an answer when asked who had broken the window, so he didn't know who was to blame.

youdao

“我没有打你。”第一个咆哮着回答。

"I am not pelting you," answered the first, growling.

youdao

一个人也没有回答。

Not a man answered.

youdao

Cold call somebody who hasn't got their hand up.

你去找一个没有举手的人回答

耶鲁公开课 - 博弈论课程节选