如果形容某人是 hanging around, 意思就是此人无所事事，没有目的地闲逛。

例句

I like going shopping with my friends but we spend most of the day just hanging around in the mall.

I don't think he really loves me. I'm getting sick of hanging around waiting for him to call.

There is nothing for teenagers to do round here. They just spend their evenings hanging around street corners.

请注意

To gang up on someone 的意思是在通话过程中由于某种原因突然把电话挂断。

例句

If you don't stop shouting at me, I'm hanging up right now!