La tua ragazza and la vostra ragazza are Italian equivalents of the English phrase "your girl." Context makes clear whether one "you" (case 1) or two or more "you all" (example 2) suits. The respective pronunciations will be "la TOO-a ra-GAT-tsa" in the singular and "la VO-stra ra-GAT-tsa" in the plural in Pisan Italian.
Ragazza in Italian is "girl" in English.
"Chinese girl" in English is ragazza cinese in Italian.
"White girl" in English is ragazza bianca in Italian.
"Baby girl" in English means bambina in Italian.
"Naked girl" in English is ragazza nuda in Italian.
"Strange girl" in English is strana ragazza in Italian.
"Who is that girl?" in English is Chi è quella ragazza?in Italian.
"Fat Girl" in English means ragazza grassa in Italian.
"It's a girl!" in English means È una ragazza! in Italian.
"Sweet little girl!" in English is Dolce bambina! in Italian.
cugina
"supersecchiona"