以上就是本站详细整理的词语in vain是什么意思的翻译解释，供大家参考一下。
They tried to rally the pound sterling but in vain.(他们企图恢复英镑币值，但劳而无功。)
They tried in vain to persuade her to go.(他们极力劝说她去，但枉费了一番口舌。)
I try to sing a song, but in vain.(我想唱一支歌，但是唱不出来。)
Time can prove my efforts will not end in vain.(我相信时间会证明我的努力不会白费。)
They sought in vain for somewhere to shelter.(他们怎么也找不到一个藏身的地方。)
He try to deceive his mother but in vain.(他试着欺骗他的妈妈，但失败了。)
They may cry in vain.(他们的呼吁可能是徒劳的。)
He tried to cover up his mistakes but in vain.(他试图掩饰他的错误，但办不到。)
But he and others have not done so in vain.(不过他和其他人的行动不是徒劳的。)
I know it is in vain to dispute with you.(但我心知肚明，任何争辩都是徒劳。)