it's hard to say which the best way is.is后面没有名词可以吗?

It's hard to say意思 it's so hard to say it hard to say It's So Hard to Say Goodbye to Yesterday 歌词 R :It's easy to say,but hard to do. it's hard to say they have many things in ) It's just hard to say goodbye的意思? It's so hard to say goodbye什么意思 It'S So Hard To Say Goodbye 歌词 I know It' s hard to say in one word I know It' s hard to say in one word it'hard to say goodbye! Its easy to say,but it s hard to do.的意思 “it's hard to say”的句子结构?it's hard to say .这个句子是to say 修饰做形容词的hard还是hard修饰做表语的to say 为什么呢? it's hard to It's So Hard To Say Goodbye To Yesterday歌词It's So Hard To Say Goodbye To Yesterday中英文歌词中英文 it is hard to say 什么意思? It's hard for us to say(love you)求翻译