义。指对身份或地位比
；
过分地关注，以致
He made a vain attempt to reach the drowning child.
他试图接近那个快淹死
小孩, 但没有成功。
；虚荣；空虚He made a vain attempt to reach the drowning child.
他试图接近那个快淹死小孩, 但没有成功。
I tried in vain to dispel her misgivings.
我试图消除她疑虑, 但没有成功。
The actor is so vain that he can never be satiated with adulation.
那个演员
爱虚荣以致奉承已不能使他满足。
I tried to chuff her up in vain.
我想让她高兴起来,但是白费力气。
John tried in vain to gloss over his faults.
约翰极力想掩饰
己缺点, 但是没有用。
Her modesty is all put on; at heart she is very vain.
她谦逊全是假装, 内心里她是很虚荣。
(humorous)Have you been taking my name in vain again?
你又在说我闲话吧？
He proposed to himself to achieve what hitherto he had been promised in vain.
他决定要完成一件至今尚无希望事情。
They endeavored to make her happy, but in vain.
他们想方设法地使她高兴, 但那是徒劳。
They attempted in vain to modernise these antiquated industries.
他们企图使这些陈旧工业现代化,结果劳而无功。
In making that plea he will breathe in vain.
他做那种恳求是白费口舌。
He was not vain, but he was quietly proud of his literary achievements.
他并不负，但暗地里却为己取得文学成就而得意。
Her counterpart left in vain and vapidity.
对方索然无味，徒劳而去。
They tried in vain to open the locked door.
他们妄图打开锁着门。
They tried in vain to persuade her to go.
他们极力劝她去，但枉费了一番口舌。
In Mayo's junior year at North Hill College High in Cincinnati, ESPN's Forde tried in vain to arrange an interview, showed up in person but was turned away by Mayo's uncle.
在梅奥大三就读于辛辛那提北山学院，ESPNForde想去采访他经历，但一切都是徒劳，都被他叔叔推掉了。
All my efforts were vain.
我一切努力都白费了。
It is vain to resist.
抵抗是没用。
He was so vain and reckless that he would break a friendship, rather than not break a jest.
他是如此虚荣狂妄, 宁
和人翻脸, 有笑话却不能不说。
The two superpowers both collude and struggle with each other in a vain attempt to redivide the world.
这两个超级大国又勾结，又争夺，妄图重新瓜分世界。
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