hear sb doing sth.是什么意思?

hear sb doing sth 听到某人在做某事（强调动作正在进行，而且是听到动作的一部分）。 如： Do you hear someone knocking at the door? 你听到有人在敲门吗？( 讲时还在敲 ，而且听到动作的一部分)
hear sb do sth 听到某人做某事（强调结果，是听到动作的全过程）。
如：I heard someone knock at the door three times我听到有人敲了3次门 . ( 讲时敲的动作已结束。是动作的全过程 )
拓展资料
hear do
1、Jun mind, because I am sad to hear Do not worry, he said to me at that time.
想起俊，因为，听到别怕我伤心，他那时候对我如是说。
2、Themore often we see, hear and do something.
我们看、听和做的越频繁。
3、Rhythm. Describe the rhythmic patterns you hear. Do they seem to be duple or triple?
节奏描述音乐中的节奏式样你能听出他们是两拍还是三拍？
4、They have eyes to see but do not see and ears to hear but do not hear, for they are a rebellious people.
他们有眼睛看不见，有耳朵听不见，因为他们是悖逆之家。
5、Do you hear me? Do you hear me? Take down this message!
你听到我了吗？你听到我了吗？记下这个消息！
6、Do you hear it? Do you feel it too? Can I say it just to you?
你听见了吗？你觉得呢？我可以说，这只是给你？
7、I can't see you, I can't hear you, Do you still exist?
我看不见你，也听不见你，你仍然存在？