promise it to me
Promets-le-moi.
Promise me.
— Don Juan DeMarco (1994)
Je t'en prie, promets-le-moi.
Please promise me.
Promets-le-moi, je t'en supplie.
Promise me, please—I beg you.
— Le Conformiste (1971)
Promets-le-moi maintenant.
Promise me now.
— Titanic (1997)