industrious如:I knew that he was an industrious man.我知道他是一个勤劳的人。hard-working如a hard-working student一个勤劳的学生diligent如:She is diligent in her work.她工作十分勤奋。
你好!最努力的 hardest 英['hɑ:dɪst] 美['hɑ:dɪst] adj. 困难的( hard的最高级 ); 硬的; 有力的; 努力的; [例句]He skirted the hardest issues, concentrating on areas of possible agreement他避开了最棘手的问题,将精力集中于有可能达成一致的领域。