I know It' s hard to say in one word

I know It' s hard to say in one word I know It' s hard to say in one word i know that it's hard to understand I know It' s hard to say in one word的翻译 Is difficult to forget the past~But i know it's hard but i gotta do it是什么意思 I know it's hard sometimes什么意思? I know that it's hard to devote enough time to class and to social efforts.翻译 it's hard to I know it's hard for me to forget you, unless we never see each other again什么意思 It's hard for me to make this d____,for I don't know what will happen think it hard to do 和 i think it's hard to do 有什么区别 It’s really hard to tell you I’m It’s really hard to tell you I’m It’s really hard to tell you I’m Do you mind my opening the window?A.Yes,I mind.B.No,of course not C.I don't know D.It's hard to say it's hard to tell~ “It's hard to die. 为什么要说I find it hard to do而不说I find it's hard to do