hard working ,working hard,hard work ,work hard 的区别和例句.

问题描述:

hard working ,working hard,hard work ,work hard 的区别和例句.

hard working 可以做为形容词词组例:He is a hard working person.他很用功.(他是一个用功的人.)working hard 和 work hard 只是不同时态.hard 做为副词修饰 work.例:He is working hard for the finals.他正在...