1、意思不同work hard 意为努力学习、努力工作。hard work 意为努力、刻苦。
2、词性不同work hard 是动词，一般在句子中做谓语。如I worked hard for this therminal test.我为了这次期末考试非常努力学习。hard work 是名词，一般在句子中宾语或主语。如His hard work earns him success.他的刻苦努力让他取得了成功。1、Work hard,play hard.努力学习工作，认真玩耍。2、No bees, no honey; no work, no money.
3、Work is a refuge of people who have nothing better to do.
