n.流浪者;屁股;狂欢作乐;笨蛋,废物;
vt.乞讨;
vi.流浪;闲荡;
adj.质量低劣的,无价值的;无价值的;残废的;很不愉快的;
例句:
I think they're just bumming around at the moment, not doing a lot...
我想他们目前只是在四处闲逛,没做多少事。
a beach bum (= sb who spends all their time on the beach, without having a job)
海滨流浪汉
He knows you're getting a bum deal.
他知道你在做一笔烂生意。