Tu and Lei in the singular and Voi and Loro in the plural are Italian equivalents of the English word "you." The choice depends upon whether the audience is of one (cases 1, 2) or more (examples 3, 4) and perceived more or less as equals (instances 1, 3) or senior in age or rank (instances 2, 4). The respective pronunciations in Italian will be "too" and "LEH-ee" in the singular and "voy" and "LO-ro" in the plural.
"You" in English is tu in Italian.
When translated from English to Italian a raccoon is a procione
"About" in English is circa in Italian.
"Out" in English is fuori in Italian.
"Or" in English is o in Italian.
"Not italian" in English is non italiano in Italian.
"To have" in English means avere in Italian.
"How is he?" in English is Come sta? in Italian.
"Who we are" in English is Chi siamo in Italian.
"About me!" in English is Su di me! in Italian.
"And you?" in English is E tu? in Italian.
"You did" in English is Hai fatto! in Italian.
"We had to..." in English is Abbiamo dovuto... in Italian.