Two genes are responsible for Shh levels.

VOA: special.2009.12.22

Somebody will go, "Shh." Right?

一定会有人对你比划,嘘,对吧

耶鲁公开课 - 聆听音乐课程节选

Jenny, why didn't youcome to school today? Shh. Daddy's taking a nap.

VOA: standard.other

Is this your own room? Shh!

VOA: standard.other