vain
adj. 自负的；徒劳的；无效的；虚荣的
副词：vainly 比较级：vainer 最高级：vainest 名词：vainness
近义词：useless，void，beneficial，effective，useful，
详细释义
adj.(形容词)
- 自负的，自视过高的，自高自大的
- 徒然的，徒劳的，无结果的，枉然的
- 无益的
- 爱虚荣的
- 炫耀的
- <书>空虚的
- 无意义的，无价值的
- 无效的，没效果的
- 愚蠢的
n.(名词)
- 未用空间
双解释义
adj.(形容词)
- 自负的; 爱慕虚荣的 thinking too highly of one's appearance, abilities, etc.; conceited
- 徒劳的,无用的,无效的 useless or futile
英英释义
Adjective
- characteristic of false pride; having an exaggerated sense of self-importance;
"a conceited fool" "an attitude of self-conceited arrogance" "an egotistical disregard of others" "so swollen by victory that he was unfit for normal duty" "growing ever more swollen-headed and arbitrary" "vain about her clothes"
- unproductive of success;
"a fruitless search" "futile years after her artistic peak" "a sleeveless errand" "a vain attempt"
组词搭配
～+介词
- be vain about〔of〕为…而自负
例句
用作形容词(adj.)
- She is vain and foolish, and yet people like her.她自负而愚蠢，然而人们喜欢她。
- She is vain of her voice.她自以为她的声音了不起。
- They endeavoured to make her happy but in vain.他们尽量使她快乐，却徒劳无功。
- All his father's exhortations were in vain.他父亲的一切劝告都无效。
- We tried in vain to make him change his mind.我们想使他改变主意，结果是白费心机。
- The world had made him extravagant and vain.世俗使他变得放荡不羁，虚荣自负。
- She is so vain that she can't pass a mirror without looking into it.她好爱虚荣,每经过一面镜子都要照一下。