sister = sorrella
young = giovani
young sister = giovane sorella.
"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.
Imouto is for your REAL younger sister and imoutosan for another person's younger sister.
"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"
"I talked to your sister yesterday" in English is Ho parlato con tua sorella ieri in Italian.
Siete i migliori sorella
Hai una sorella is an Italian equivalent of the English phrase "You have one sister." The pronunciation will be "eye* OO-na so-REL-la" in Italian.*The sound is similar to that in the English noun "eye."
"Forever your beautiful sister" in English is Per sempre tua sorella bella in Italian and In perpetuum tua soror pulcherrima in Latin.