1·In one area, it made painstaking efforts to quantify fertility preference to derive figures for planned and unplanned pregnancies.
在一个领域，它付出了艰苦的努力来量化生育偏好，以得出计划生育和非计划生育的数据。
2·It had made painstaking efforts towards this goal.
它为该目标付出了艰巨的努力。
3·The mastery of English is not easy and requires painstaking efforts.
英语不是随便学好的，非下苦功不可。
4·The mastery of language is not easy and requires painstaking efforts.
语言不是随便就可以学好的，非下苦功不可。（英语用名词，汉语用动词）
5·He intentionally fosters my spirit of painstaking efforts and willpower.
他有意识地培养我的吃苦精神和意志力。
6·However I knew very well that I could not succeed without painstaking efforts.
然而我知道得很清楚我不可能成功没有艰苦的努力。
7·However, I knew very well that I could not succeed without painstaking efforts.
然而，我清楚地知道，我不能成功的艰苦努力。
8·He hadn't had much schooling but he made painstaking efforts in studying astronomy.
他没上过多少学，但他刻苦学习天文学。
9·Through years of our painstaking efforts, we have at last achieved what we have today.
大家经过多少年的努力，才取得今天的成绩。
10·In order to transform their environment, he drew up the project with painstaking efforts.
为了改造环境，他苦心孤诣地制定了这个计划。