to walk or do things slowly and without much purpose

disapproving Stop mooching (about/around) in your room and do something useful! 别在房间里闲呆着了，做点儿有用的事！

to borrow from people or ask them to give you things without paying for them or intending to return them

You're old enough to get a job and stop mooching off your family. 你年纪不小了，可以找份工作，别再白吃家里的了。

He mooched a few beers from me as we watched the game. 我们看比赛的时候，他从我这里白拿了几瓶啤酒喝。

a period of time spent walking around slowly and without much purpose

I'm going for a mooch round the shops (= to look at what is there, not to buy a particular thing). 我去商店逛逛。