He 's very vain of his abilities .

他对于自己的能力很 自负。

I am not a vain creature

我不是个爱慕 虚荣的人。

Our efforts were not in vain . ; We didn 't waste our energy .

我们的力气没有 白费。

He cried her name in vain .

他 徒劳 地叫着她的名字。

He was self-important vain and ignorant .

他傲慢自负， 虚荣无知。

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。

Their hopes were but vain .

他们的希望只不过 是 妄想。

I think he is shallow vain and untrustworthy

我认为他肤浅、 自负、不可靠。

She and a neighbour tried in vain to revive him

她和邻居想尽 一切 办法 都 没能让他苏醒过来。

Throughout the Twenties Lardner tried in vain to write a hit song so at last he turned to parody .

整个20年代， 拉德纳尝试着想要写出一首走红歌曲，可是都失败了，于是最后转向戏仿他人的作品。

I read his article again and again trying hard to understand what he was driving at but in vain .

我把他的文章读了一遍又一遍，但对他的意图仍 百思不解。

It was a vain attempt to shift the responsibility for the murder to somebody else

试图将谋杀的罪责转嫁给他人是 徒劳的。

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 。

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。

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。

He tried in vain to keep the two dogs apart before the neighbour intervened .

邻居过来帮忙前，他费了 半天 劲儿 也 没把两只狗分开。

All efforts of mediation by a third party were in vain at all .

第三方所作的从中调解的一切努力均 告 失败。

Our efforts were not in vain .

我们没有 白 忙。

Their blood was not shed in vain .

他们的血没有 白流。

It 's no use for you to wait here in vain .

你 死耗在这儿没用。

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。

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。

He made a vain attempt to reach the drowning child .

他 试图接近那个快淹死的小孩， 但 没有 成功。

He 's a vain person .

他的 虚荣心很 强。

Parents campaigned in vain for her reinstatement .

父母们呼吁给她复职， 但 结果 却 只是 徒劳。

He was vain and bombastic .

他自负 虚荣，大话连篇。

My efforts were not in vain .

我的气力没有 白费。

He is still vain enough to dye his hair red .

他还是很 虚荣，把头发染成了红褐色。

Isabelle was a frivolous little fool vain and flighty .

伊莎贝尔是个轻佻、没头脑的小女人，非常 虚荣又反复无常。