payer pour ça
Laisse-moi payer pour ça.
How much will Tom have to pay for it?
Combien Tom devra-t-il payer ?
"Free" means that you don't need to pay for it.
« Gratuit » signifie que vous n’avez pas besoin de payer.
You've acted foolishly and you will pay for it.
Tu as agi sottement et tu le paieras.
It'll be yours when you pay for it.
Ce sera à toi quand tu l’auras payé.
— Divorce Italian Style (1961)