Good luck!
Ganbatte ne!
Happy Birthday!
Tanjoubi Omedeto gozaimasu!
Happy New Year!
Akemashite omedeto gozaimasu!
Merry Christmas!
Merii Kurisumasu!
Congratulations!
Omedetou!
Bless you (when sneezing)
Odaijini.
Goodnight and sweet dreams!
Oyasuminasai.
