French phrase
Je regrette ~.
Meaning
I'm afraid ___.
When to use it
A polite way to express regret about unwelcome news. It often introduces a refusal or other disappointing announcement.
Example dialogue
Je regrette de ne pas pouvoir venir.
I'm afraid I can't come.
D'accord, merci d'avoir prévenu.
All right, thanks for letting me know.