- (British English)
the part of the body that you sit on 屁股 They've been sitting on their bums all day, doing nothing. 他们一整天就那么坐着，什么事都没做。
Oxford Collocations Dictionaryadjective- big
- bare
- feel
- pinch
- sit on
- …
- put bums on seats
- (especially North American English)
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 (= somebody who spends all their time on the beach, without having a job) 海滨流浪汉 The city at night intimidated me with the bums and dealers shouting out abuse. 这座城市入夜后会有流浪汉和摊贩大声叫骂，让我惊恐不安。
Extra ExamplesHe dropped out of college and became a beach bum. 他从大学退学，整天在海滩闲逛。 He left college to lead the life of a beach bum. 他离开了学校，终日在海滩游荡。
a lazy person who does nothing for other people or for society 懒汉；游手好闲者 Oxford Collocations Dictionaryadjective- lazy
- drunken
- beach
- …
Word Originnoun sense 1 late Middle English: of unknown origin. noun senses 2 to 3 mid 19th cent.: probably from bummer.
Idioms
bums on seats
- (British English, 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）
give somebody/get the bum’s rush