You could have heard a pin drop.

你连一根针掉在地上都能听到。

You could have heard a pin drop in there.

【hear】那里安静得甚至连针落地的声音都可以听见。

You could have heard a pin drop in there when you were going over your main points.

当你回顾你的要点时，你可能会听到一根针掉在那里的声音。

Well, this is the past tense, so the event organizer says, " You could have heard a pin drop, " it was that quiet.

好吧，这是过去式， 所以活动组织者说，“你连一根针掉在地上都听得见， ” 就是那么安静。

You could have heard a pin drop when Herman was " going over, " or talking about, his " main points, " the main or most important things in the speech.

当赫尔曼“回顾”或谈论他的“要点” ，演讲中的主要或最重要的事情时， 你可能会听到一根针掉在地上的声音。

The expression " you could have heard a pin drop" means that it is a situation where everyone is quiet because they are interested in something;they want to hear what will happen next.

“you could have heard a pin drop” 这句话的意思是每个人都很安静， 因为他们对某事感兴趣； 他们想听听接下来会发生什么。