French phrase
Auriez-vous la gentillesse de ~ ?
Meaning
Would you be so kind as to ___?
When to use it
A highly formal and polite request for an action. Suitable for formal situations and respectful requests.
Example dialogue
Auriez-vous la gentillesse de me passer le sel ?
Would you be so kind as to pass me the salt?
Oui, bien sûr, tenez.
Yes, of course. Here you are.