Enjoy. . .Profite bien de
Give him/herOffre-lui
Happy New YearBonne Année
Have a nice eveningBonne soirée
He already has plenty of themIl en a déjà plein
I hope thatJ'espère que
I wish youJe te souhaite
Merry ChristmasJoyeux Noël
New Year'sle nouvel an
christmasNoël
good ideaBonne idée
have funamuse-toi bien
new year's dayle jour de l'an
the Christmas treele sapin de Noël
the midnight feastle réveillon
to give (as a present)offrir
to thankremercier
you couldtu pourrais