French phrase
Désolé, je serai ~.
Meaning
Sorry, I'll be ___.
When to use it
Apologetically announces a planned future absence. Used to give polite advance notice of missing a class, meeting, or event.
Example dialogue
Désolé, je serai absent.
Sorry, I'll be absent.
D'accord, merci de prévenir.
Okay, thanks for letting me know.