vain的中文翻译是什么意思
vain
adj. 徒劳的，不成功的; 无望的; 自负的，虚荣的
vain的柯林斯释义
ADJ徒劳的;无效的;不成功的
A vain attempt or action is one that fails to achieve what was intended.
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。
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。
ADJ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.
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。
ADJ-GRADED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.
I think he is shallow, vain and untrustworthy.
我认为他浅薄虚荣，不可信任。
PHRASE徒劳;白费力气
If you do something in vain, you do not succeed in achieving what you intend.
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。
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。
PHRASE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.
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。
vain的英文释义
Adjective
1. 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
2. unproductive of success;
- a fruitless search
- futile years after her artistic peak
- a sleeveless errand
- a vain attempt
vain的同义词辨析
haughty, proud, arrogant, vain
这些形容词都有"骄傲的，傲慢的"之意。
vain的短语
take someone's name in vain
轻慢谈到，随便议论
in vain
徒劳：毫无收益的；未成功
抱以轻漫不敬的态度
vain的场景例句
They attempted in vain to modernise these antiquated industries.
他们企图使这些陈旧的工业现代化,结果劳而无功.
It is vain to resist.
抵抗是没用的.
He is vain of his speech.
他对自己的发言很得意.
Their blood was not shed in vain.
他们的血没有白流.
The principal made another vain appeal for better equipment in the school laboratory.
校长又一次请求增加学校实验设备,但又是一场空.