Are you going to bum about all summer? 你准备整个夏天都到处闲混吗?
A lot of people give Americans a bum rap for being stupid and knowing nothing about the world, but the reality could be further from the truth. 很多人冤枉美国人很蠢,对于世界上的事情一无所知。然而现实甚至比事实还夸张。
It took a bum knee to remind me that yoga's not all about what it does for your butt. 用一次膝盖动弹不得的代价给我长记性:瑜伽全然不是身体上角力。
Instead of looking for work, he preferred to bum about. 他不去找工作做,宁愿到处游荡。