Bum
01
流浪汉, 无家可归者
a vagrant
informal
例子
The child giggled after falling onto his bum in the sandbox.
孩子跌坐在沙箱里的屁股上后咯咯笑了起来。
03
懒汉, 废物
a person regarded as despicable, lazy, or worthless
slang
语法信息
有生性状态
人类
形态构成
简单词
可数
复数形式
bums
例子
She called her ex a bum after he borrowed money and never paid it back.
她称前男友为废物，因为他借钱后从未归还。
04
失败者, 沮丧的
someone who is feeling disappointed, down, or depressed, often due to a situation not going as expected
disapproving
informal
例子
He was in a bum mood after hearing the bad news.
听到坏消息后，他情绪低落。
to bum
01
乞讨, 请求
to get something through asking without offering anything in exchange
Transitive: to bum sth
语法信息
形态构成
简单词
动作动词
规则
现在时
bum
第三人称单数
bums
现在分词
bumming
一般过去时
bummed
过去分词
bummed
例子
He decided to bum a ride from his friend instead of taking the bus.
他决定向朋友蹭车而不是坐公交车。
02
使失望, 使沮丧
to make someone feel unhappy or disappointed
informal
例子
It bummed him to miss the concert.
错过音乐会让他感到失望。
bum
01
质量很差, 脆弱的
of very poor quality; flimsy
语法信息
形态构成
简单词
性质形容词
最高级
bummest
比较级
bummer
可分级
