he took the trouble to gather the materials for me
Related Translations:
不辞辛劳: not to shirk hardships; not to shrink from toil and hardship; be unsparing of oneself; spare no pains; make nothing of hardships; take the trouble to; work hard without minding the trouble
收集: collect; gather 短语和例子将杂志上的文章收集成册 collect magazine articles into volume form; 收集标本 make a collection of specimens; 开始收集外国邮票 start a collection of foreign stamps; 他拼命收集资料。 feverishly he coll