spare no pains

动词不辞辛劳; 万苦千辛; 不遗余力，全力以赴; 不怕麻烦

1. 不遗余力：spare no effort 不遗余力 | spare no pains 不遗余力 | spare part 备件

2. 不惜劳苦：635.so to speak 可说为,所谓. | 636.spare no pains 不惜劳苦. | 637.something like 似乎.

3. 不遗余力,全力以赴：take pains 尽力,费苦心,耐心 | spare no pains 不遗余力,全力以赴 | at pains / at the pains 尽力,用心,下苦功

4. 呕心沥血：弄巧成拙 too smart by half / go for wool and come home shorn | 呕心沥血 spare no pains | 偶像 idol

1. spare no pains

1. They spare no pains in vying with undergraduates for jobs while their performance doesn't seem better than that of the undergraduates.