hear from的用法及例句

　　Drop us a line, it's always great to hear from you

　　给我们写封短信，能收到你的信总是让人很高兴。

　　The police are anxious to hear from anyone who may know her.

　　警方急切地希望任何可能认识她的人打电话来。

　　We are always pleased to hear from our customers.

　　我们不论何时都欢迎顾客来信。

　　He was none too thrilled to hear from me at that hour

　　在那个钟点接到我的电话，他一点也兴奋不起来。