Ast noson dda
You can (try to) say Yá'át'ééh hiiłchi'į'
A response when someone says good night is to say good night to you too.
You say 'skat' or 'elskede'
"Godnat"
i know that 'sweetheart' in Japanese is koibito
"Nos da, Tad"
Nos da, tywysoges.
Passe une bonne nuit, chéri(e).
Nos da, but it literally means good night. Nos being night, da being good.
IN welsh its "Bore da!" (said as "bor ed da")
da
Love in welsh is cariad. If you were to say you love someone, you would say "Caru" (Rhwy'n dy Garu Di- I love you affected by the oral mutation of "C") Cariad is also the term used for sweetheart, and can be used as a compliment, or term of endearment.
You can say "Sobh bekheir azizam" in Farsi, which means "Good morning my dear."
Prynhawn da,.often pronounced P'nawn da, is "good afternoon" in Welsh.
Invite him for a cinema some of these days, and kiss him tenderly. He will never forget. Do this good action. Then keep on talking and say that you love him too, when both you arrived at "his" home. Kiss him again and say : good night, sweetheart.
sweetheart
ffrindiau mawr