l'amabilité de

would you be so kind as to

→ le
phrase Rare #34,935
would you be so kind as to Used in the very polite, formal expression avoir l'amabilité de + infinitive, meaning “to be kind enough to do something.” It can sometimes sound ironic, especially when making a demand.
FR: Auriez-vous l'amabilité de patienter quelques instants ?
EN: Would you be so kind as to wait a few moments?

Il eut l'amabilité de me conduire à l'hôpital.

He was kind enough to drive me to the hospital.

Il a eu l'amabilité de me montrer son travail.

He was kind enough to show me his work.

— Titanic (1997)

Aurais-tu l'amabilité de nous laisser traverser la forêt, petit?

Would you be so kind as to let us pass through the forest, little one?

— Princesse Mononoké (1997)

Il a eu l'amabilité de me prêter de l'argent.

He was kind enough to lend me some money.