白费

这些会议完全是白费时间。

These meetings are a complete waste of time .

路子不对等于白费劲儿。

A wrong approach means a waste of effort .

他们最近努力想提高销售量，全是白费劲。

Their recent attempt to increase sales has been a dismal failure .

不用白费口舌了——你永远说服不了她。

Save your breath ─ you 'll never persuade her .

花在侦察上的时间是不会白费的。

Time spent on reconnaissance is seldom wasted .

她力图保持和颜悦色的一切努力都白费了，于是她开始大喊大叫。

All her efforts to be polite went by the board and she started to shout .

我的呼吁白费了。

My appeal proved futile .

很明显她所有的抱怨都是白费口舌。

It became obvious that all her complaints were in vain .

我唱歌试图让他高兴起来，结果是白费力气。

I was singing in a vain effort to cheer him up .

如果迈克尔赢了，那我一直以来努力争取的一切都将白费。

If Michael won , he would undo everything I have fought for .

她的语气使他明白他是在白费口舌。

The tone of her voice told him he was wasting his breath .

哈里疑心波茨故意让他白费力气地瞎找一通。

Harry wondered if Potts had deliberately sent him on a wild goose chase .

研究人员很清楚，他们的很多时间和精力全都是白费。

Research workers are well aware that much of their time and effort is unproductive .

如果我们被迫把电影缩短1小时，那么他付出的许多努力就会白费，他的才华也将大半被淹没。

So much of his enormous effort and talent will go to waste if we are forced to drop one hour of the film

你可以一周7天、一天16小时地拼命劳作，但是如果产品质量低劣，你就白费时间了。

You can bust a gut sixteen hours a day , seven days a week , but if your product is lousy , you 've wasted your time .

试图解决争端的努力白费了，这让他很失望。

The fruitless attempt to settle the dispute disappointed him .

你不要白费心思。

You needn 't bother your head for nothing .

我的气力没有白费。

My efforts were not in vain .

我们的力气没有白费。

Our efforts were not in vain . ; We didn 't waste our energy .

我的一切辛苦都白费了。

All my trouble went for nothing .

他哭不得笑不得，一年的气力白费了。

He was at his wits ' end , having worked a year for nothing .

你跟他说这事是白费蜡。

Talking to him is simply a waste of your breath .

这不是白费钱吗？

Isn 't this a sheer waste of money ?

假如你不打算帮忙，我就不再对你白费口舌了。

I won 't waste another minute on you unless you 're going to help !

你这是白费唇舌。

You are wasting your breath .

他的努力都白费了。

His efforts were wasted .

我不在乎你怎么想，你省点力气，别白费口舌了！

I don 't care about what you think ; save your breath to cool your porridge !

我不在这里跟你白费口舌了，我知道你根本不打算帮助我们。

I 'll not waste my breath on you . I can see you are not going to help us at all .

该如何使用机器，我已经讲解了五次，但他仍然不会操作，简直是白费力气。

I 've tried five times to explain how to use the machine but he still cannot do it , I 'm just banging my head against a brick wall .

如果每个人都复印课本,作者和出版商的努力将完全白费。我无法想象！

The efforts of the writers and publishers will be totally wasted if everyone photocopies their textbooks . I cant imagine that !