问题描述: hard-working、hard working、working hard 区别.hard-working是名词吗? 1个回答 分类:英语 2014-10-21 问题解答: 我来补答 hard-working是adj.不是名词hard working就是hard-workingworking hard例:He is working hard for the finals. 他正在努力准备期末考试. 展开全文阅读