French phrase
Merci de couper ~ quand vous ne parlez pas.
Meaning
Please mute ___ when you are not speaking.
When to use it
A polite request to mute audio when not speaking. Common in meetings to reduce background noise.
Example dialogue
Merci de couper votre micro quand vous ne parlez pas.
Please mute your microphone when you are not speaking.
D'accord, je le mets en sourdine.
Okay, I'll mute it.