解释:击败;攻击;弄伤
to beat someone up; to assault someone; to damage someone.
The crooks banged him up a little bit.
The crash banged up the passengers in the car.
She banged herself up badly.
bang something up
解释:撞坏,毁坏,损坏
to crash or wreck something; to damage something.
Don't bang my best skillet up!
Who banged up my best skillet?