Try using this website for one. thebooksmugglers
Bon nuit, mon cherie would translate as - Good night, my darling.
It is a French expression you use when you want to tell someone to sleep tight, basically.
Answer:
cliché
a worn out idea or trite expression
idiom
phrase or expression whose meaning cannot be understood from the ordinary meanings of its words.
category
informal casual speech
Explanation:
Brush your teeth, have breakfast, get dressed