表示动作,听某人讲话,就是 listen to somebody如果是陈述事实,表示我听某人说了个什么事,就是 I hear from...但这里的hear在语境中一般用过去时态 即heard
I heard that......
sb told me thati heard of that it was said that
应该是"It is said"吧,“据说”的意思
I was told..
I heard from somebody