laborious adj. (指工作)艰苦的, 费力的, (指人)勤劳的 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。
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。
勤奋 : (adj) hardworking; diligence;industry勤奋常会引向成功。 Diligence is often the door to success. 成功来自勤奋。 Success comes with industry. 他们的学生勤奋学习。 Their students are diligent about their studies. 我敬佩他的勤奋。 I respect him for his diligence. 这个勤奋的学生每天天亮以前就起床了。 The diligent student gets up before dawn every day
勤奋 [qín fèn]adj. hardworking ; diligent ; industrious ; assiduous双语例句：1.成功总是青睐那些勤奋的人。Success always smiles upon people who are diligent. 2.他的勤奋使经理对他的印象有所改善。His industriousness redeemed him in the manager's eyes. 3.你应该学学你的姐姐，她是个勤奋的学生。You should take after your sister who is a diligent student.
艾迪奥特曼
