hard working里的hard 是副词吗

hard working里的hard 是副词吗 hardly是hard的副词形式吗? hard-working的反义词 people are all working hard.hard是什么副词? hard-working、hard working、working hard 区别. she doesn't study hard ,其中hard是副词吗? hard working 和 word hard的区别 work hard和hard working的不同 hard-working 和work hard的区别 hard work和hard working的 区别 hard-working与work-hard的区别 hard-working