vain基本解释
adj.自负的；徒劳的；无效的；虚荣的
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副词: vainly 比较级: vainer 最高级: vainest 名词: vainness
adj.自负的；徒劳的；无效的；虚荣的
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副词: vainly 比较级: vainer 最高级: vainest 名词: vainness
vain
adj
1. unproductive of success
e.g. a fruitless search
futile years after her artistic peak
a sleeveless errand
a vain attempt
Synonym: bootlessfruitlessfutilesleeveless
2. characteristic of false pride
having an exaggerated sense of self-importance
e.g. 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
Synonym: conceitedegotisticegotisticalself-conceitedswollenswollen-headed
1. 徒劳的;无效的;不成功的
A vain attempt or action is one that fails to achieve what was intended.
vain什么意思
e.g. The drafting committee worked through the night in a vain attempt to finish on schedule...
起草委员会为按计划完成草案已通宵加班，但结果仍是徒劳。
e.g. I was singing in a vain effort to cheer him up.
我唱歌试图让他高兴起来，结果是白费力气。
2. 徒然的;无望的
If you describe a hope that something will happen as a vain hope, you mean that there is no chance of it happening.
e.g. He married his fourth wife, Susan, in the vain hope that she would improve his health.
他娶了第四个老婆苏珊，徒然希望她能使他健康状况好转。
3. 自负的;虚荣的;自命不凡的
If you describe someone as vain, you are critical of their extreme pride in their own beauty, intelligence, or other good qualities.
e.g. I think he is shallow, vain and untrustworthy.
我认为他浅薄虚荣，不可信任。
4. 徒劳;白费力气
If you do something in vain, you do not succeed in achieving what you intend.
e.g. He stopped at the door, waiting in vain for her to acknowledge his presence...
他在门口停住，徒然地等待她和自己打招呼。
e.g. It became obvious that all her complaints were in vain.
很明显她所有的抱怨都是白费口舌。
5. 无用的;无意义的;无价值的
If you say that something such as someone's death, suffering, or effort was in vain, you mean that it was useless because it did not achieve anything.
e.g. He wants the world to know his son did not die in vain.
他想让全世界都知道，他的儿子不是白白死去的。
1. 无用的,虚荣的：familial 家庭的 | vain 无用的,虚荣的 | vein 面纱; 掩饰
2. 徒劳的：vague 含糊的 | vain 徒劳的 | valid 有根据的
3. 徒然的：vail n小费 | vain 徒然的 | vainglorious 虚荣的
4. vain：vaginal intraepithelial neoplasia; 阴道鳞状上皮内肿瘤
1. in vain : 徒然；
All literature, art, and science are vain..if they do not enable you to be glad.
出自：J. RuskinIt is..vain to try to be other than we are.
出自：D. M. FrameThe vain attempts of feminist critics to prove there is a..'women's language'.
出自：New York Review of BooksJeff searched in vain for Rosie in the next four days.
在接下来的四天里 Jeff 没有找到 Rosie。
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