hear back

基本解释

If I don't hear back from you in a week, I will consider it fine.
如果一星期之内没有收到您的回信，我将认为这是一个好的设计。
We've also contacted Amazon for comment, we'll update when we hear back (though the company has notoriously had an aversion to providing specific numbers (i.e. Kindle sales).
我们也已联系了亚马逊公司做评价，收到回复后我们会更新。（虽然该公司以厌恶提供具体数据而臭名远扬）
We’ve also contacted Amazon for comment, we’ll update when we hear back (though the company has notoriously had an aversion to providing specific numbers (i.e. Kindle sales).
我们也已联系了亚马逊公司做评价，收到回复后我们会更新。

If you ever hear music rocking back and forth repeatedly between two chords, it's probably tonic,dominant,tonic,dominant.
如果你听到音乐在两个属音里不断前后行进，这可能就是主音，属音，主音，属音。
耶鲁公开课 - 聆听音乐课程节选
It was a great round shield about three feet across and it had--let me step out here so that I can show you. Can you hear me back there?
它是一块直径大概有三英尺的巨大圆盾,恩,它还有...我出来演示吧,这样你们就能看清楚,能听到我说话吗
耶鲁公开课 - 古希腊历史简介课程节选
But to hear the stories, got to come back next lecture.
但下面的故事，还是等到下节课回来再说吧。
耶鲁公开课 - 死亡课程节选

Because I heard some song I used to hear back then, a long time ago.
NPR: 'BPP' Jukebox: Peter, Bjorn and John Soloist