French phrase
Pourriez-vous ne pas ~ ?
Meaning
Could you please not ___?
When to use it
A polite request not to do something. It suits strangers or customers and sounds less blunt than a direct command.
Example dialogue
Pourriez-vous ne pas laisser vos bagages ici ?
Could you please not leave your luggage here?
Ah, pardon, je vais les déplacer.
Oh, sorry, I'll move it.