Is Miss Zhang in?

张小姐在吗？

Wrong number.

打错电话了。

Yeah, and I have to finish this report by four.

是，我在四点之前得完成这个报告。

That'll be fine.

好吧！

Certainly.

当然可以。

Will you be so kind as to help me out of the difficulty?

帮助我克服困难，好吗？