working hard; busy synonym hard-working勤奋的;勤劳的;忙碌的 an industrious student 勤勉的学生 She was surrounded by energetic, industrious people. 她身边有很多活力充沛、勤劳忙碌的人。
Word Originlate 15th cent. (in the sense ‘skilful, clever, ingenious’): from French industrieux or late Latin industriosus, from Latin industria ‘diligence’.