Hear a pin drop
Meaning: to be extremely quiet
Example: The new sound-proof lab is so well designed, you can hear a pin drop. You could have heard a pin drop for a full minute after every song and then the audience would clap wildly.
Example: The new sound-proof lab is so well designed, you can hear a pin drop. You could have heard a pin drop for a full minute after every song and then the audience would clap wildly.
