（使）摩擦掉; （使）减色
ph.
1. The mud will rub off quite easily.
污泥很容易擦掉。
1. 擦掉,磨去：rub down 用力擦遍;按摩 | rub off 擦掉,磨去 | rub out 擦掉,拭去;(俚)杀死
2. 擦掉：rub in 用力擦入 | rub off 擦掉 | rub on 勉强度过
3. 擦去、消除：rub down用力擦遍......;把......擦亮 | rub off 擦去、消除...... | run through勉强通过......
4. 擦掉,擦破：rub along和谐相处 | rub off擦掉,擦破 | rub out把(记号、笔记、笔迹等)擦掉
1. 影响;感染
If someone's qualities or habits rub off on you, you develop some of their qualities or habits after spending time with them.
e.g. He was a tremendously enthusiastic teacher and that rubbed off on all the children...
他是一个满腔热情的老师，他的热情也感染了所有的孩子。
e.g. I was hoping some of his genius might rub off.
我希望他的才华也可以影响他人。