What's French for Oops?

Jean has the perfect nannying job in London—her only complaint, a sexy stranger in a pub who doesn't call her the next day.
Matt wants to give his kids every opportunity, so jumps at the chance to live abroad. Half-way through pitching the idea to his ex-wife, in comes the new nanny. Dancing with Jean was the most spontaneous thing he's done since the night his son was conceived. And now he's taking her to Paris... as his employee.
Jean doesn't speak a word of French, but she'll do anything to make the kids happy. Matt is used to making the rules, and having them followed. Stuck in a too-small apartment, they soon rub each other up the wrong way. But there's no getting away from the sizzling attraction between them.
What could be the harm in giving in just once?