in vain

1. 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。
2. 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。
3. Parents campaigned in vain for her reinstatement.
   父母们呼吁给她复职，但结果却只是徒劳。
4. 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。
5. A seemingly endless line of trucks waits in vain to load up.
   一眼望不到头的一长列卡车眼巴巴地等着装货。
6. 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。
7. 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。
8. 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。
9. 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。
10. My efforts were not in vain.
    我的气力没有白费。
11. Our efforts were not in vain.
    我们没有白忙。
12. Our efforts were not in vain.; We didn't waste our energy.
    我们的力气没有白费。
13. 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。
14. Their blood was not shed in vain.
    他们的血没有白流。
15. It's no use for you to wait here in vain.
    你死耗在这儿没用。
16. Lily had the doomed sense of the castaway who has signalled in vain to fleeing sails.
    丽莉完全明白自己现在已变成一名被丢在荒岛上徒然向驶去的帆船呼救的遗弃者了。
17. He was afraid to ask his mother to buy the choice colours, and was sure he should ask her in vain.
    他不敢去求他母亲买这些高级颜料，并确信他如果去要，一定一无所获。
18. He cried her name in vain.
    他徒劳地叫着她的名字。
19. He tried in vain to sow dissension among us.
    他想在我们中间挑拨离间，结果是枉费心机。
20. Marius waited for them all day in vain.
    马吕斯白等了一整天。
21. I tried to help him but in vain.
    我尽力帮了忙，但白费了力。
22. I'm afraid all of my efforts were in vain.
    我担心我的那里全白费了。
23. All our work was in vain.
    我们所有的工作都白费了。
24. Maybe it's in vain, about you and me, or more.
    也许这是徒劳的，关于我和你，或许更多的。
25. All her effort was in vain at last.
    她一切的努力最后都白费了。
26. They had waited in vain, a fact which was repeatedly explained to them.
    他们白白等了许久，就这一事实再三向他们作了解释。
27. The efforts and sacrifices of the people in this war have not been in vain.
    这次战争中人民所作的努力和牺牲是不会白费的。
28. I will lose no time in vain regret.
    我不会在徒然的后悔中失去时间。
29. What a shame! All my efforts turned out to be in vain.
    真是太糟糕了！我所有的努力都白费了。
30. I have struggled in vain and can bear it no longer.
    我觉得挣扎无济于事了，我不能再忍下去。

adv

1. to no avail
   1. he looked for her in vain
   2. the city fathers tried vainly to find a solution

   Synonym:    vainly