Sorry.

对不起。

That's Su Weifang.

那是苏魏芳。

What's that over there?

那边的是什么呀？

Here you are!

给你。

I want to take some books to the classroom. Could you help me, please?

我想把一些书拿到教室里，你能帮个忙吗？

I don't know.

我不知道。