French phrase
Merci de ne pas déranger.
Meaning
Please do not disturb.
When to use it
A polite request for no contact or interruption. Often used in voicemail messages or automatic replies when someone is unavailable.
Example dialogue
Tu as essayé de l'appeler ?
Did you try calling him?
Sur son répondeur il y a écrit : Merci de ne pas déranger.
His voicemail says, "Please do not disturb."