这件事是私事。

My business is personal.

For example:

A: Would you tell me what you wish to see him about?

能告诉我您见他有什么事情吗？

B: My business in personal.这件事是私事。

能给他留张字条吗？

Will you please write him a note?

For example:

A: Will you please write him a note?能给他留张字条吗？

B: That's a good idea.这个主意不错。

你在等李先生吗？

Are you expecting Mr. Lee?

For example:

A: Are you expecting Mr. Lee?你在等李先生吗？

B: Yes, it is for 2:00，but I'm a little early.

是的,我约好2点，但是我来早了一点儿。

林小姐的办公室从这个门过去。

Ms. Lin's office is just through this door.

For example:

A: This is a very nice office you have.你这间办公室真好。

B: Thank you. Ms. Lin's office is just through this door.

谢谢你。林小姐的办公室从这个门过去。

你可以等一下吗？

Would you like to wait?

For example:

A: Would you like to wait?你可以等一下吗？

B: Yes, that will be fine.可以，没问题。