前功尽弃

That mistake has undone all our good work.

那个过错使我们前功尽弃.

Whatever water quality all the effort will be wasted if diseases are brought in.

不论如何努力管理水质,如果带入了疾病就前功尽弃了.

The dam must be closed before the rainy season sets in, or all our labour will be lost.

大坝一定要在雨季开始以前合拢, 否则就会前功尽弃.

It might mean undoing years of work.

这可能意味着多年的工作前功尽弃.

Her efforts were rendered futile by her own illness.

她因为生病而前功尽弃.

Hospitality, people just go out the door slammed up front, the hospitality will upset the applecart.

热情招待朋友之后, 人刚走出去就把大门砰地关起,前面的款待也将前功尽弃.

Each one must do his utmost or the labour of all is vain.

每个人都必须竭尽全力,否则就要前功尽弃.

The result of being bellicose is that all your previous efforts become wasted.

恋战的后果就是前功尽弃.

This error undid all our efforts.

这个错误使我们前功尽弃.

Don't you waste all your previous efforts if you don't stick to it?

如果 现在 不能坚持下去,你岂不是前功尽弃了?

Oh, my God! All my efforts, have gone down the drain.

噢, 天 啊,我的努力已是前功尽弃了.

It is sometimes possible to manipulate those processes, but they frighteningly easy to disrupt and destroy.

虽然,有时候康复的过程是可以控制的, 但它们又是如此的脆弱,稍不留神,所有的努力便前功尽弃.

She has tried to diet but always ends up back at square one.

她曾经尝试节食,但最后都前功尽弃.

This caused the utmost anxiety and rendered all concentration futile.

这引起了莫大的焦虑,而且使一切力量的集中都前功尽弃.

Attention must be dried out and so do the next step, or on a wasted!

注意一定要等变干了再做下一步, 要不就前功尽弃了!