这就是一个白费力气的努力。
If all such asteroids turn out to be harmless windmills, it will have been a wasted effort.
如果所有的行星都被证实是毫无害处的风车时，那就是白花力气了。
They are surrounded by people who think it's a wasted effort. "They disapprove of this activity."
他们周围的人都认为他们的努力是徒劳的。
Yet there is one course we can follow where no matter what happens, we know that in the end it will not be a wasted effort.
然而，有一个我们所做的决定，其结果是肯定的，不论发生什么事，我们都可以确信所付出的努力，到最后都不是徒然。
Jiao small people think that if wearing high heels or high section of the towering hair, we can make is of Shougao, it is a wasted effort.
娇小型的人如果以为穿上很高的高跟鞋或梳高耸的发型，就能使得身材瘦高，那是白费心机的。
Health work teaches us with great rigour that action without knowledge is wasted effort, just as knowledge without action is a wasted resource.
卫生工作及其严格地教育我们，正象没有行动的知识是浪费资源一样，没有知识的行动是徒劳无功的。
Any time spent by a system administrator writing documentation is wasted effort, because the moment the documentation is complete, it is obsolete.
系统管理员编写文档花费的时间实际上是浪费了，因为文档完成之后马上就过时了。
Combining JSP with another design method, such as Structured Systems Analysis and design (SSAD), entailed a lot of wasted effort and opportunities for error.
JSP和其他设计方法，如结构化系统分析和设计(SSAD)，联合，须要为错误浪费许多成果和机会。
Companies that expect Generation Z to be loyal based on a carefully crafted brand image and marketing message will find that their effort is wasted.
在精心准备的品牌形象和销售信息的基础上，公司期待着Z一代能忠诚于品牌。他们会发现他们的努力都白费了。
Needless to say, I was exhausted from labored breathing, a lung infection, pain, tests, effort expended to correct data model errors, energy wasted giving my medical history, and lack of sleep.
呼吸困难、肺部感染、疼痛、各种检查、费力纠正数据模型中的错误、消耗体力以叙述病史、缺少睡眠，不用说，这种种经历令我精疲力竭。
Hitherto, and it has not been wasted effort, people have played on words and pretended to believe that refusing to grant a meaning to life necessarily leads to declaring that it is not worth living.
迄今，人们从来没有白费力气，仍然玩着文字游戏，并自认为否定赋予生命意义必然会导致人生不值一活的论调。
We wasted several years and this is a lot of time, a lot of money and a lot of effort.
我们浪费了好几年，这是很多时间、金钱和大量精力。
This is wasted effort, and you can almost always select a better API and cut down on the wasted effort.
这是无效劳动，可以选择一种更好的API来避免这种无效劳动。
It can also mean to put great effort into a wasted activity.
同时也有巨大的努力付之东流的意思。
Research shows that 80% of vocabulary learned in this way is forgotten in less than a year. That's a lot of wasted time and effort.
研究表明，用这种方法记忆的英语词汇的百分之八十将会在一年内忘记。这是浪费时间和功夫。
'I hoped it wasn't going to be a valiant effort wasted, ' recalled Coppell, 'but we had our bit of good fortune with the second goal.
“我希望我们勇敢的努力不会白费，”库佩尔回忆，“但第二个球我们确实有些走运。”
'I hoped it wasn't going to be a valiant effort wasted, ' recalled Coppell, 'but we had our bit of good fortune with the second goal.
“我希望我们勇敢的努力不会白费，”库佩尔回忆，“但第二个球我们确实有些走运。”
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