3. silent? quiet?

One of my students asked me, "Is 'Could you be silent?' strange?"

Actually, it's not natural because "silent" means no sound.
We don't usually say that.

We say, "Could you be quiet?" because "quiet" means not a loud sound.

I didn't write the Japanese, but does it make sense?

Ciao 🖐️

・silent：無音
・quiet：大きな音ではない