work hard和hard work的含义不同、词性不同、形容的对象不同。work hard意思是努力学习、辛勤工作,这里的work是动词,hard是副词,用来形容人工作很努力。hard work意思是努力工作、繁重的工作,这里的work是名词,hard是形容词,用来形容工作比较困难、繁重。
She complained that he did not work hard.
她抱怨他工作不努力。
She is very tenacious and will work hard and long to achieve objectives
她是个锲而不舍的人,为了达到目标愿意长期苦干。
The president will h***e to work hard to restore his credibility.
总统将不得不努力使公众恢复对他的信任。
Everyone would h***e to work hard together to rebuild the economy
所有人都应该一起努力以重建经济。
The Government will h***e to work hard to win back the confidence of the people
政府必须勤奋工作以重新赢得人民的信任。
Magicians do not dabble, they work hard.
魔术师可不是随便玩两下的,他们下了苦功钻研。