it's difficult to/for有什么区别?

it is difficult for sb to 和 make sb hard to do sth 有什么区别? difficult for sb to do sth 和difficult for sb doing sth 有什么区别 it's time to do 和it's time for 有什么区别? it's time did 与it's time for sb to do有什么区别 It's difficult to me 还是It's difficult for me It's difficult to climb over the wall.能否改为It's difficult for It's not difficult和It isn't difficult 有什么区别?这两个句子都能成立吗? It's so difficult for me to forget you and love you 什么意思 It adj.for sb.to sth.与It's adj.for sb.to sth.有什么区别 It's adj for / of / to sb to do sth 有什么区别啊? It's +adj of sb to do sth 和 It's for sb to do sth有什么区别? 主语think it difficult to与think it's difficult to的区别