问题描述: it is difficult for me.为什么要用for?是it is too difficult for me. 1个回答 分类:英语 2014-11-05 问题解答: 我来补答 It’s + adj.+ (of / for) sb to do sth.for sb.对谁,没为什么,是固定搭配 展开全文阅读