等於單詞hard-working，例如：
1、This must have been one of the proudest moments of his busy and hard working life.這一定是他勞碌工作的一生中最引以為榮的時刻之一。
2、By hard working we can achieve anything.只要我們努力，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，勤勞有用的人也還會被稱為"中堅分子"。
hard-working
美 [hɑrd ˈwərkɪŋ] 英 [ˌhɑːdˈwəːkɪŋ]
adj. 勤勉的勤奮的努力工作的
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