The English "black girl" can easily be translated in French. The noun comes first in French, followed by the descriptor. So, it becomes "file noire".
My in French is 'Ma' if you were a girl.
Girl in french is fille
Française
Skinny girl is fille maigre in French.
gross girl
Baby girl in French is: Bébé fille.
"Good girl" in French is "brave fille" or "gentille fille".
For a boy, you would say "allemand" and for a girl, you would say "allemande" in French.
pitch black is translated 'nuit noire' in French.
Black gloves are 'des gants noirs' in French.
You can say "Es-tu française ?" to ask a girl if she is French in French.
In French, 'the girl' is 'la fille'.