Question

It's nice of sb. to do sth.是什么意思？

Answer 1

你好，
It's+adj.+of sb+to do sth 是一种固定句型
表示：某人做某事怎么样
例如：
It's kind of you to help me .
你能帮助我真是太好了。
It's silly of him not to forgive others for their mistakes.
他不肯原谅别人的过错真是太傻了。