等于单词hard-working，例如：
1、This must have been one of the proudest moments of his busy and hard working life.这一定是他劳碌工作的一生中最引以为荣的时刻之一。
2、By hard working we can achieve anything.只要我们努力，任何事情都能成功。
3、Even today， the hard working useful people are described as "the salt of the earth".即使在今天，勤劳有用的人也还会被称为"中坚分子"。
hard-working
美 [hɑrd ˈwərkɪŋ] 英 [ˌhɑːdˈwəːkɪŋ]
adj. 勤勉的勤奋的努力工作的
