bum
noun [ C ] uk/bʌm/ us/bʌm/
(BODY PART)
mainly UK informal屁股
the part of the body that you sit on
Synonym: bottom (BODY PART)
(PERSON)
US informal乞丐
someone who has no home or job and lives by asking other people for money
bum
adjective [ before noun ] slang uk/bʌm/ us/bʌm/
劣质的；无用的
bad in quality or not useful
He gave us bum directions, but we eventually found the place. 他给我们指错了路，但是我们最后还是找到了那个地方。
Synonym: crummy
bum
verb [ T ] slang uk/bʌm/ us/bʌm/ -mm-
乞讨;讨要
to ask someone for something without intending to pay for it
Could I bum a cigarette off you? 我能向你讨根烟吗？
Phrasal verbs
bum around 闲逛；无所事事
to spend time being lazy and doing very little
I wish you'd stop bumming around and start looking for a job. 希望你不要再瞎混了，赶紧去找份工作。
bum around (somewhere) 流浪；闲荡；漫游
to travel around in different places or in a particular area, with no plans, no job, and little money
After college she spent a year bumming around Europe. 大学毕业后，她用了一年时间在欧洲四处旅游。
bum someone out US informal让…感到悲伤（或失望）
to make someone feel sad or disappointed
That comment just bummed me out. 那句评论真让我失望。