What are you doing, Peter?

Peter，你正在做什麼？

I'm studying Chinese.

我正在研讀中文。

Chinese is very difficult.

中文好難喔。

You bet.

的確。

Mom, look at this sentence.

媽媽，看一下這個（中文）句子。

I don't get it.

我不了解。

I don't get it, either.

我也不了解。

And look at this sentence here.

那再看看這裡的這個句子。

What does it mean?

（它）是什麼意思？

Ask your brother.

問問你哥哥。

His Chinese is good.

他的中文很好。

Does he help you?

他有幫你的忙嗎？

Yes, he does.

是的，他有。