白费

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

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。

All his efforts were thrown away.

他的努力都白费了.

If the computer crashes I don't want to loose my work.

因为如果电脑死机,我的工作就会白费.

All my efforts were vain.

我的一切努力都白费了.

John studied hard before the examination, and it paid off. He made an A.

约翰在考试前努力学习, 这没有白费, 他得了个A.

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

他哭不得笑不得, 一年的气力白费了.

Selling refrigerators to the Eskimos is like carrying coals to Newcastle.

向爱斯基摩人推销电冰箱简直是白费力气.

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

如果迈克尔赢了，那我一直以来努力争取的一切都将白费。

In making that plea he will breathe in vain.

他做那种恳求是白费口舌的.

A wrong approach means a waste of effort.

路子不对等于白费劲儿.

Half-court finishes own basket first to waste completely diligently, by 50-62 backwardness .

半场战罢篮网首节努力全部白费, 以 50-62 落后.

I made an abortive attempt to win his support.

我白费了力气去赢得他的支持.

Hurling his arms and legs around wildly, he kept afloat but wasted much effort.

他用胳膊和腿在水中乱划, 这样虽可以漂浮,但却白费了许多力气.

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。

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

她的语气使他明白他是在白费口舌。

Their efforts over the past years have been largely misdirected.

他们过去几年的努力大都白费了。

It is of no use Boasting of Being rich on a desert island.

在无人岛上夸耀富有也是白费力气.

The results of years of work went down the drain.

多年工作的成果全都白费了.

Our labour will not be lost.

我们的努力不会白费.

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

哈里疑心波茨故意让他白费力气地瞎找一通。

Disconsolate, Soapy ceased his unavailing racket.

索比怏怏不乐地停止了白费力气的闹嚷.

Don't waste words on that fellow.

不要同那家伙白费口舌.

To argue with him is like beating the air.

和他辩论是白费气力.

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

我不在乎你怎么想, 你省点力气,别白费口舌了!

Mr. Taylor's present behaviour stultifies his previous efforts.

泰勒先生目前的行为使他过去的努力全白费了。

Trying to get that class to learn anything is like knocking your head against a brick wall!

想要那个班的学生学习点东西是白费气力.

We tried in vain to make him change his mind.

我们试图使他改变主意,结果是白费心机.

All my trouble went for nothing.

我的一切辛苦都白费了.

Save your breath to cool your porridge.

不要白费口舌了.

I tried to chuff her up in vain.

我想让她高兴起来,但是白费力气.