Mia cara! and Mio caro! are Italian equivalents of the English phrase "My sweet!" Context makes clear whether feminine (case 1) or masculine (example 2) gender suits. The respective pronunciations will be "MEE-a KA-ra" in the feminine and "MEE-o KA-ro" in the masculine in Pisan Italian.
"Sweet kisses" in English is dolci baci in Italian.
"Sweet toothpaste" in English is dentifricio dolce in Italian.
"Sweet man" in English means uomo dolce in Italian.
Sweet and salty
"Sweet life" in English means la dolce vita ("the sweet life") in Italian.
"Sweet little girl!" in English is Dolce bambina! in Italian.
dolce principessa italiana
bella
Dolce magnificenza
Dolce Fiore
"Home, sweet home!" in English is Casa, dolce casa! in Italian.
"You're a crazy, sweet man!" in English is Sei un pazzo uomo dolce! in Italian.