in vain

• 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。
• Her father tried to persuade her to go back home with him, but in vain .
  她父亲还想劝她和他一起回家，可只是白费唇舌罢了。
• As long as the youth had possession of the sword her schemes would be in vain .
  只要这个青年掌握这把剑，她的计谋就将落空。
• But the hope of creating their own trading and financial centers was in vain .
  不过建立他们本身的贸易和金融中心的希望终归徒然。
• The next morning archer scoured the town in vain for more yellow roses .
  第二天早上阿切尔找遍了全城，仍然没有找到更多的黄玫瑰。
• In vain the various actors tried to win the favour of the great stage sultan .
  许多演员指望博得伟大的舞台之王的赏识，可是都没有成功。
• It will be readily believed by readers that mrs. norris did not write to her sister in vain .
  读者自会料到诺利斯太太给妹妹的信必然会得到肯定答复。
• I read his article again and again , trying hard to understand what he was driving at but in vain ..
  我把他的文章读了又读，但对他的意图仍百思不解。
• 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。