dust-off的用法和样例：
词汇搭配
- dust someone off 将某人通打或重击一顿...
- shake the dust off one's shoes 愤然离去
- shake the dust of something off one's shoes 愤然离去
- dust 'em off 学习
- shake the dust off one's feet 愤然离开
- dust off 弄掉 ... 灰尘...
- shake the dust of something off one's feet 愤然离去
