brush:1刷，擦

He never brushes his shoes

2掠过

brush past/by/though 擦肩而过

She brushes past him

3不理会，漠视

brush aside

He brushes aside my fears(恐惧)

4快速提高，重温

brush up on

I must brush up on my English before go to England

5打发，不理睬

brush sb off

She brushes me off impatiently (不耐烦)