French phrase
Je vous pardonne à condition que ~.
Meaning
I forgive you on condition that you ___.
When to use it
It grants forgiveness only if a condition is met. The tone is polite, formal, and somewhat official.
Example dialogue
Je vous pardonne à condition que vous remboursiez l'argent.
I forgive you on condition that you pay back the money.
D'accord, je vous rembourserai demain.
All right, I will pay you back tomorrow.