work hard为动词短语,其中work为动词,hard意为“辛苦地”,修饰work,意为“辛苦地工作,努力地工作”,如:
He works hard to support his family. 为了养家他努力工作。
hard work为名词短语,其中work为名词,hard意为“辛苦的”,修饰work,意为“辛苦的工作,勤奋的工作”,如:
He is respected by all of us for his hard work. 他由于勤奋的工作受到我们大家的尊重。
hard-working为形容词,意为“工作努力的,勤奋的”,如:a hard-working worker 一位勤奋的工人。
《高考英语140⁺·词汇语法》· 至今日共 423 篇