用功的英语是：hardworking。
用功的英文例句：
1、We must work hard to acquire a good knowledge of English.
我们必须用功学习才能精通英语。
2、Cut out the shenanigans and start studying!
不要胡说了, 开始用功吧!
3、She studied hard; thus she got high marks.
她用功读书, 因此获得高分。
4、I encouraged her to work hard and to try for the examination.
我鼓励她用功并为这次考试做努力。
5、His graduation will never take place if he doesn’t get to work.
他要是不用功就永远毕不了业。
6、He is the more diligent of the two boys.
他是这两个男孩中较用功的一个。
7、The imminence of their exams made them work harder.
考试即将来临，迫使他们更用功了。
8、You'll have to work harder to catch up with the top students in your class.
要赶上班上最优秀的同学你得更加用功才行。
9、The school boy took it ill that the teacher reproved him for idleness.
这个小学生心里不痛快,因为老师责备他不用功。
10、The imminence of their exams made the students work even harder.
考试即将来临，迫使学生们更加用功了。