you know english? 我如果说不知道 该怎么说?

问题描述:

you know english? 我如果说不知道 该怎么说?

No.Idon,t .

no,I don't konw
或者直接说中文,表示你不知道

No.Sorry.I don't understand English.
不.对不起,我不懂英文.

Sorry, I don't know.