大坝一定要在雨季开始以前合拢，否则就会前功尽弃。
The dam must be closed before the rainy season sets in, or all our Labour will be lost.
因为疏忽，我们的一切努力前功尽弃。
每个人都必须竭尽全力，否则就要前功尽弃。
Anyone of them did not exert all their energies would lead to all their previous efforts wasted.
而且对拼的要求很严，稍稍拼错一个地方都会前功尽弃。
But also to fight the requirements are very strict, a little misspelling in one place could come to naught.
契约马上到手，最后会议上要更加谨慎，以免前功尽弃。
We've almost got this contract, so let's try not to choke in this final meeting.
早上本来跑的不错，然后突然由于变速箱的问题而前功尽弃。
You can do well in the morning, then you get a problem with the gearbox and a good result vanishes.
他提到去年的那起事件，令前功尽弃，整笔生意就此泡汤。
When he referred to that incident of last year, he upset the applecart and the whole deal fell through.
这引起了莫大的焦虑，而且使一切力量的集中都前功尽弃。
This caused the utmost anxiety and rendered all concentration futile.
第二个是，规则制定者可能会推迟银行解体工作，使得前功尽弃。
A second is that, having come this far, rule makers will put off the work of bank resolution.
三天打渔两天晒网的锻炼会对新陈代谢造成严重破坏，并且前功尽弃。
Stop-start exercise plays havoc with your metabolism and nullifies any gains.
作完围墙后的第二天，我差不多一下子前功尽弃，然而而且差点送命。
The very next Day after this Wall was finish'd, I had almost had all my Labour overthrown at once, and my self kill'd;
然而，哪怕只有一小块散落的塑料或玻璃存在就可能使整个过程前功尽弃。
However, even small amounts of stray plastic or glass can cause the whole process to break down.
大多数的硬件已经开发完成，因此，他们认为取消他它将意味着前功尽弃。
Most of the hardware has already been built, so canceling it, they argue, would mean throwing all that away.
望远镜的大部分硬件都已经建造完成，所以现在撤销项目就意味着前功尽弃。
Most of the hardware has already been built, so cancelling it, they argue, would mean throwing all that away.
第二，很多人经过多年的努力，最后考虑退出时开始松懈，最后导致“前功尽弃”。
Secondly, many people go a bit "off the rails" when they finally get to relax after years of hard venture-building.
人生也不是一场拼字比赛，无论你拼出了多少单词，只要拼错了一个你就前功尽弃了。
Life is not a spelling bee, where no matter how many words you've gotten right, you're disqualified if you make one mistake.
智商再高，能力再强，名声再大，不负责任的行为最终会导致前功尽弃、身败名裂。
Regardless how smart , how capable and how famous you are, irresponsible actions would lead you to lose all your former efforts and reputation and bring you to failure.
真正的风险是可能发生的新感染率的迅速上升，这将使我们在治疗方面取得的成就前功尽弃。
There's a real risk we could experience an upsurge in new infections that would undercut everything we've done with treatment.
人生也不是一场拼字游戏比赛，不管你拼出多少单词，一旦出现了一个错误，你便前功尽弃。
Life is not a spelling puzzle, where no matter how many words you? Ve gotten right, you're disqualified if you make one mistake.
这件事让我明白一个道理，无论你平时做了多少准备工作，到关键时刻任何突发状况都可能让你前功尽弃。
This incident drives me home to the point that however much preparationary work you have done in other times, an incident or emergency can make all your efforts in vain .
信任的缓慢累积推动金融市场前进；但信任突然的（毁灭性的）破裂却使之前的积累前功尽弃（市场倒退）。 。
Trust’s slow accumulation pushes financial markets forward; its shattering betrayal batters them back.
在严格使用一段时间后，贴片会逐渐减少尼古丁的剂量帮助吸烟者慢慢地改掉这个习惯，而且没有前功尽弃的风险。
Used properly, over time the patch imparts increasingly smaller doses of nicotine to help the addict gradually break the habit without experiencing the worst symptoms of withdrawal.
监督该议程施行的检察官路易斯•冈萨雷斯称，我们不得将那些苛刻的司法条例变得更为灵活，否则我们将前功尽弃。
Luis González, the prosecutor who is overseeing the process, says that those demanding justice will have to be more flexible, otherwise the whole effort will fall apart.
有时候感觉就要记起来了，但总是会忘了这里是不是要多一横，那里的点要点在哪里，最后还前功尽弃，这让我很挫败。
It is frustrating because I always almost remember the character, and lose it at the last minute. I forget if there was an extra line, or where the dot is supposed to go.
打箔没有一番过硬功夫不行，技术精湛者打出的金箔破碎少且均匀、柔软，而技术掌握不好一锤下去就可能前功尽弃。
Foil no effort to fight some tough not skilled person to play the gold and less broken even, soft, and technical control is not good to go on a hammer may come to naught.
新望远镜项目的支持者们认为，现在放弃它并不划算，因为大部分硬件已经建造完成，取消这个项目意味着前功尽弃。
The telescope's advocates say junking it now would be a false economy. Most of the hardware has already been built, so cancelling it, they argue, would mean throwing all that away.
不少女性在症状稍有好转便即擅自停止治疗，以致不久后症状再次出现，如此就需要再度治疗，而前面的治疗就前功尽弃了。
Many women in the symptoms will be somewhat better without authorization, stop treatment, symptoms that appear again soon, so need treatment, and the front again therapy were down the drain.
不少女性在症状稍有好转便即擅自停止治疗，以致不久后症状再次出现，如此就需要再度治疗，而前面的治疗就前功尽弃了。
Many women in the symptoms will be somewhat better without authorization, stop treatment, symptoms that appear again soon, so need treatment, and the front again therapy were down the drain.
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