Good night.
"Bonne nuit" comes from the French language. It translates to "good night" in English.
"Bonne nuit monde cruel" means "good night, cruel world" in English.
As always with translation from English to French, it depends on to whom you are speaking, and here, on what time of day it is. At bed time, a male would say to a female "Bonne nuit (ma) chérie, a female would say "bonne nuit mon chéri"
Bonne nuit, les gens de la Terre! in French means "Good night, people of the Earth!" in English, but it is already a literal translation from English. It would more likely be Bonne nuit, Terriens! in French.
Bonne nuit ma belle or bonne nuit mon beau (depending if your talking to a woman or a man)
Bonne nuit is French and means good night.
Je t'aime, belle! Bonne nuit, mon bébé! in French is "Love you, beautiful! Goodnight, baby!" in English.
Bonne nuit mes amis, but if the people concerned are not all close friends use bonne nuit les amis
Bonne nuit ami
Bonne nuit is French and means good night.
Bonne nuit et fais de beaux rêves in French means "Good night and sweet dreams" in English.
Bonne fin de nuit et à bientôt! in French means "Enjoy the rest of the night, and see you soon"!" in English.