I'm sorry, who stands up on the count of three?

对不起,数到三谁要站起来

耶鲁公开课 - 博弈论课程节选

The "I'm sorry" pattern is a great pattern. And it has at least three separate meanings.

I'm sorry”句型是一个很棒的句型，它至少有三种不同的意思。

I'm sorry 课堂 - SpeakingMax英语口语达人