painstaking effort

基本解释

The mastery of a language is not easy and requires painstaking effort.
语言这东西不是随便可以学好的，非下苦功不可。
But now it has become a painstaking effort to write a blueprint for women's health.
然而，经过艰苦卓越的努力，调查给女性健康描绘出一幅蓝图。
We deem the September 19 Joint Statement as the most important outcome of the Six-Party Talks which pools the painstaking effort and wisdom of all six parties. It is hard earned and worth cherishing.
我们认为，9·19共同声明是六方会谈达成的最重要成果，它凝聚了六方的心血和智慧，来之不易，值得珍惜。
www.fmprc.gov.cn

Everywhere there is water under the surface , however it is different that the level of water differes from place and situation, and it demands painstaking effort and commitment o tap the natual resources ignoring the level underneath.
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For a number of years I managed national advertising for a Fortune 500 life insurance company and we spent a great deal of painstaking time and effort reaching our vast target audience, essentially going from the macro to the micro.
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Jonathan Oberlander, who teaches health policy at the University of North Carolina in Chapel Hill, says he's not all that surprised that the effort has been painstaking so far.
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