I'm just going to be hanging around twiddling my thumbs.

我正要无所事事地旋弄拇指。

It's tempting to leave your cleaning implement—a damp rag or sponge—hanging around to use the next day, but that could create a germ breeding ground.

把你的清洁工具——一块湿抹布或海绵——悬挂起来留到第二天使用是很诱人的，不过那样也会使它们成为细菌的滋生地。

A bunch of kids were hanging around outside.

一群年轻人在外面到处游逛。

She would spend the day hanging around street corners.

她常一整天在街头的各个角落闲逛。

He was still hanging around, swigging the Coke out of the can.

他依然在闲逛着，拿着一罐可乐大口大口地喝着。