rough up

动词 rough up:

1. treat violently

1. Don't rough up my hair.
   别弄乱了我的头发。
2. If you rough up the surface a bit, the paint will stick better.
   如果你将这表面弄粗糙一些，油漆会粘得更牢的。
3. Don't rough up my hair!
   别把我的头发弄乱了！