passe une bonne journée ! (there is no difference when addressing a boy...)
"Good girl" in French is "brave fille" or "gentille fille".
To say "have a good day" in French, you can say "bonne journée."
today was a good day in french
You can say "j'ai passé une bonne journée" in French to express "I had a good day".
In Cajun French, you can say "Passe une bonne journée" which translates to "Have a good day."
bonne journee
"Bonjour mademoiselle" IS a French phrase. If you say this, you are speaking French. It means "Good day, miss" in English.
vous êtes une bonne fille
Girl in french is fille
My in French is 'Ma' if you were a girl.
The French don't have a phrase to express that amorphous sentiment. Their basic salutation, bon jour, already means good day.
Je suis paressuex, and if you're trying to impress her, bring a french-english dictionary...Good luck!