French phrase
Combien devrais-je laisser en pourboire ?
Meaning
How much should I leave as a tip?
When to use it
A polite question about the customary tip amount. Used in restaurants, hotels, and other service settings when asking for a respectful guideline.
Example dialogue
Combien devrais-je laisser en pourboire ?
How much should I leave as a tip?
Ce n'est pas obligatoire, mais cinq à dix pour cent sont appréciés.
It's not required, but five to ten percent is appreciated.