英汉词典

1. 勤奋的;勤勉的;孜孜不倦的;细致彻底的
    Someone who is diligent works hard in a careful and thorough way.

diligent

    e.g. Meyers is a diligent and prolific worker...
           迈耶斯是个勤奋多产的工人。
    e.g. The historical research was impressively diligent.
           该项历史研究非常地认真、彻底。