Piccola sorella and sorellina are Italian equivalents of the English phrase "little sister." Birthplace, context and personal preference determine whether "little sister" as a feminine singular adjective and noun (case 1) or as a feminine singular noun with a diminutive suffix (example 2) suits. The respective pronunciations will be "PEEK-ko-la so-REL-la" and "SO-rel-LEE-na" in Pisan Italian.
The feminine singular noun sorellina -- which may be preceded by the feminine singular definite (la, "the") or indefinite (della, "some") articles -- is an Italian equivalent of the English phrase "little sister." The pronunciation will be "SO-rel-LEE-na" in Italian.
sorellino
"Sister" in English means sorella in Italian.
"Your sister" in English is tua sorella in Italian.
"Twin sister' in English is gemella in Italian.
"Not with my sister!" in English is Non con mia sorella!in Italian.
"For the love of my sister" in English is Per l'amore di mia sorella in Italian.
"Beautiful sisters" in English is belle sorelle in Italian.
"Sorella maggiore"
La tua sorellina carina -- in which the feminine singular definite article la ("the") does not translate into English -- is an Italian equivalent of the English phrase "your pretty little sister." The pronunciation will be "la TOO-a SO-rel-LEE-na ka-REE-na" in Italian.
"I talked to your sister yesterday" in English is Ho parlato con tua sorella ieri in Italian.
Siete i migliori sorella
sister = sorrella young = giovani young sister = giovane sorella.
Sii buona, sorellina! is an Italian equivalent of "Little sister, be good!" The pronunciation of the feminine singular phrase in the second person informal singular of the present imperative will be "see BWO-na SO-rel-LEE-na" in Italian.