课堂上请求帮助

Asking for Help in Class

Student

Excuse me, Mr. Smith, I have a question.

打扰一下，Smith老师，我有个问题。

Teacher

Sure, go ahead. What is it?

当然，请说。什么问题？

Student

I do not understand question number 5.

我不懂第5题。

Teacher

No problem. Which part is confusing?

没问题。哪一部分让你困惑？

Student

I do not know how to use this formula.

我不知道怎么用这个公式。

Teacher

Let me explain it again. It is actually quite simple.

让我再解释一下。其实很简单。