介绍:
It is + adj + infinitive
This grammar point can be used to describe how someone feels about doing something. (用来形容某人做某事的内心感受.)
It is hard for most people to get up early. (对大部分人来说，早起太困难了.)
It is difficult to finish this project on my own (独自). Could I please have some help? (我自己应付不了这个项目，能给我一些帮助吗?)
It is nice to talk to you at the wedding on Saturday. (婚礼上与你交谈真是太开心了)
It is so nice to talk to you ... haven't seen you for ages. (From my colleague, James)
