hard-working [hɑ:d 'wɜ:kɪŋ]

以下由轻松背单词网站提供

adj.勤勉的，努力工作的

always doing a lot of work

He's not very clever, but hard-working. 他不大聪明，却很努力。
My math teacher said I was a hard-working student. 我的数学老师说我是个勤奋的学生。