This question is difficult to answer.和This question is difficult for answering哪个是对的
问题描述:
This question is difficult to answer.和This question is difficult for answering哪个是对的
不要用翻译机.
讲一下为什么
答
第一个对,:This question is difficult to answer=It is difficult to answer this question .(be difficult to do sth =have difficult in doing sth)