bum 流浪乞丐；无业游民；赶走某人；被撵走；闲荡,漫游；劣质的

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bum
bum  / bʌm /
noun
(informal)
1. (BrE)  the part of the body that you sit on
   屁股
   SYN  backside , behind , bottom
2. (especially NAmE)  a person who has no home or job and who asks other people for money or food
   流浪乞丐；无业游民:
   a beach bum (= sb who spends all their time on the beach, without having a job)
   海滨流浪汉
3. a lazy person who does nothing for other people or for society
   懒汉；游手好闲者:
   He's nothing but a no-good bum!
   他不过是个没用的懒汉。
IDIOMS
▪ bums on 'seats
   (BrE, informal) used to refer to the number of people who attend a show, talk, etc., especially when emphasizing the need or desire to attract a large number
   观众(或听众)的数量大(尤用于强调吸引大量观众的需要或愿望):
   They're not bothered about attracting the right audience—they just want bums on seats.
   他们不在乎观众是什么样的人——只求卖座。
▪ give sb / get the ˌbum's 'rush    (informal, especially NAmE)  to force sb / be forced to leave a place quickly
   赶走某人；被撵走:
   He was soon given the bum's rush from the club.
   他很快从俱乐部里被撵了出来。
verb
(-mm-)  [VN]
1.  ~ sth (off sb) (informal) to get sth from sb by asking
   提出要；乞讨
   SYN  cadge :
   Can I bum a cigarette off you?
   给我一根烟好吗？
2.  ~ sb (out) (NAmE, informal) to make sb feel upset or disappointed
   使不安；使灰心
PHRASAL VERBS
▪ ˌbum a'round / a'bout (informal)
   to travel around or spend your time with no particular plans
   (漫无目的地)闲荡,漫游:
   He bummed around the world for a year.
   他在世界各地浪游了一年。
adjective
[only before noun]
   (informal) of bad quality; wrong or useless
   劣质的；错误的；没用的:
   He didn't play six bum note.
   他一个音也没奏错。
   a  bum deal (= a situation where you do not get what you deserve or have paid for)
   不合算的交易