Why don't you brush off me?

你为什么不理睬我？

Brush off the fuzz that has blown on.

把被风吹上去的绒毛刷掉。

It will not brush off.

这个刷不掉。

Don't worry about that mark; it will brush off.

别担心那个斑点，用刷子能把它刷掉。

I am sure he will brush off his wife's suggestion.

我相信他不听他太太的建议。