to spare no effort

网络释义

1.	奋力勉力 English, 翻译, 例句, 字典... ... 地力 land capability;soil fertility 奋力 to spare no effort 国力 a nation's power ... zh.glosbe.com
2.	不遗余力可以说 Blog \|... ... 英语》说「在开会」英文是 at a meeting，（没有学生自愿做这工作）。同样，「不遗余力」可以说 to spare no effo… blog.yahoo.com
3.	极力 ... 1. to try one's best;to spare no effort;to make all attempts 极力(极力) 1. make a determined effort 发愤(发愤) ... www.nciku.cn