全部

1·It would be futile to protest.

抗议也无用。《牛津词典》

2·Their costly and futile attempt to subjugate the Afghans lasted just 10 years.

他们想征服阿富汗人的意图耗费大量金钱而且无效，只维持了十年的时间。《柯林斯英汉双解大词典》

3·Like many in Russia, she blamed the country's failings on futile attempts to catch up with the West.

像在俄罗斯的许多人一样，她把这个国家的错误归咎于想赶上西方的徒劳。《柯林斯英汉双解大词典》

4·To date, the sum of my gardening experience had been futile efforts to rid the flower beds of grass.

迄今为止，我全部的园艺经验就是给花圃徒劳地除草。《柯林斯英汉双解大词典》

5·We do not fight global warming because it is futile to do so.

我们不会与全球变暖作斗争，因为这样做是徒劳的。

6·It is always futile to try to hold back the progress of history.

要想阻止历史潮流是徒劳的。《新英汉大辞典》

7·Resisting automation is futile: it is as inevitable as industrialization was before it.

抵制自动化是徒劳的：它就像之前的工业化一样不可避免。

8·While the efforts are certainly not futile, the results of such bans will likely only start to be seen by generations down the line, bettering the world for the future.

这些禁令旨在使未来的世界变得更加美好，虽然这些努力肯定不是徒劳的，但禁令的结果很可能只有子孙后代才能看得到。

9·My appeal proved futile.

我的呼吁白费了。《牛津词典》

10·Their efforts to revive him were futile.

他们努力使他苏醒，但失败了。《牛津词典》

无效的

1·Their costly and futile attempt to subjugate the Afghans lasted just 10 years.

他们想征服阿富汗人的意图耗费大量金钱而且无效，只维持了十年的时间。《柯林斯英汉双解大词典》

2·When it comes to chocolate, resistance is futile.

遇到巧克力时，抵抗是无效的。

3·By contrast, fertiliser subsidies encourage futile over-use of nitrogen in parts of China.

但与此形成对比的是，中国的部分地区却在通过化肥补贴来鼓励氮肥的无效的过度使用。

4·Having no idea what to do, she waits for the ambulance, accompanies it to accident and emergency and then goes back to the pub after futile efforts at resuscitation.

不知所措的她等着救护车，陪着进了急诊室，抢救无效后，她又回到了酒吧。

5·Yet strict controls would be both futile and wrong.

但严格控制既无效又不对。

无用的

1·Moreover, to anyone who is convinced of the mind's singleness of purpose, nothing is more futile than these distinctions based on methods and objects.

此为，对任何确信心智具有单一目的性的人来说，没有任何东西会比这些基于方法和目标的特征更加无用的了。

2·Your resistance is futile.

你的抵抗是无用的。

3·Not to mention the great many who profess a total disinterest in the election, seeing it as a futile exercise.

更不用说那些认为整个选举毫无意义的人，他们视之为无用的训练。

4·Brothers, let us squander our morning in futile songs.

弟兄们，让我们把清晨浪费在无用的歌曲上面吧。

5·This would not make philosophy futile.

这不会让哲学无用。

枉然

1·Cor. 15:17 And if Christ has not been raised, your faith is futile; you are still in your SINS.

林前十五17基督若没有复活，你们所信的，便是枉然，你们就仍在你们的罪里。

一场空

1·Wash away the time really to clear a person's life is only futile, but it is too late.

撒手而去的时候，才真正地清楚，人的一生只是一场空而已，却悔之晚矣。