勤奋(勉)的，用功的，刻苦的(hardworking; showing much effort) [A(in)]：a～worker/student 勤勉的工人/学生;a～search 勤勉的探索;be～in keeping records/one's work/the pursuit of truth/one's aims 发奋保持记录/勤奋工作/孜孜不倦地追求真理/发奋实现个人目标;〖同〗 hardworking;〖反〗lazy;

→′diligently adv 勤奋(勉)地，用功地，刻苦地;′diligence n 勤奋(勉)，刻苦