释义：
hear it ( that ) 听到……
主要是在对话的过程中，将听到的消息或声音指代为 it 或 that,用作 hear it ( that ) （听到……）的形式。
例句：
I am glad to hear that.
很高兴听到这个消息。
I am sorry to hear that. I never expected him to dump you.
很抱歉听到这个消息。我从来没想过他会抛弃你。
What're you talking about? That isn't the way I heard it.
你在说什么？这和我听到的完全不同。
对话：
A: Today has been such a crazy day.
今天真让人发疯。
B: I'm sorry to hear that. What's going on?
很抱歉听到这话，发生什么事了？
