Adverb:

1. to no avail;

   "he looked for her in vain"
   "the city fathers tried vainly to find a solution"
   

He shouted after them, vainly trying to attract their attention.

他在他们的后面高喊，想引起他们的注意，却是徒劳。

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。

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。

I think he is shallow, vain and untrustworthy.

我认为他浅薄虚荣，不可信任。

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。

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 had tried vainly and lost his heart at last.

他徒劳地尝试,终于失去了信心.

The enemy vainly attempted to make us fight against our own men.

敌人妄图让我们同室操戈.

But when he found the right shelf, he sought vainly for the answer.

可是等他找对了书架, 答案却仍然渺茫.

Somehow, he failed. Then he vainly attempt to kill those people by his disparaging gaze.

结果不成功, 于是他就妄图用鄙视的眼神杀死欺负他的人.

They tried vainly to blame us for the damage of the machine.

他们企图把机器损坏的过失加在我们头上,但没有成功.

Glaucus vainly endeavored to cheer the exhausted spirits of Ione.

格劳科斯徒然地竭力安慰着垂头丧气的伊俄涅.

We tried vainly to discover what had happened.

我们设法想要弄清楚发生了什么事,但却徒劳.

The papal captain have vainly endeavoured to induce his wife to remain behind him.

教廷的队长曾白费力气地试图说服妻子留下不去.

Then let the sad eyes of love vainly watch and weep.

那就让爱的愁眼,徒然地因着盼望而流泪.

The enemy vainly attempted destroying the bridge.

敌人妄图破坏这座桥梁.

Before they fled the country, the enemy vainly attempted to destroy all the factories.

敌人在逃往国外前, 妄图把所有工厂都毁掉.

The reactionary government tried vainly to take the steam out of the protest movement.

反动政府枉费心机地企图削弱这场抗议运动.

He again beheld the dull light vainly endeavoring to penetrate the narrow opening.

他又看见了那从那狭窗口透进来的微弱的光线.

We vainly tried to find out the strenger's name and occupation.

我们想查出那个陌生人的姓名和职业,但是徒劳.

He tried vainly to impress his neglecters.

他努力给忽略他的人留下印象,但没有成功.

In order to vainly hope for 2008!

为了梦想中的2008!

He sought vainly for the answer.

他搜索枯肠,但找不到答案.

He vainly invokes the aid of the law who transgresses the law.

谁违反法律谁就别指望得到法律的保护.

The city fathers tried vainly to find a solution.

市参议员们经过一番努力也没有找到一个解决方案.

I hoped vainly for a suggestion from him.

我原希他有所建议,但未能如愿以偿.

So long as I persist to vainly hope for, my goal can certainly realize.

只要我坚持梦想, 我的目标一定会实现.

Taking only a less cash with IT, IT wanders about the Midearth moors, vainly seeking employment.

她身上仅带了少许的钱,在英格兰中部荒原上四处漂泊找任务, 然而却是徒劳.