Anziano, uomo and vecchio are Italian equivalents of the English phrase "old man." Context makes clear whether formality (case 1), romance (example 2) or literality (instance 3) suits. The respective pronunciations will be "an-TSYA-no," "WO-mo" and "VEK-kyo" in Pisan Italian.
Vecchio mandrillo in Italian means "dirty old man" in English.
Vecchi in Italian means "old people" in English.
"I am 14 years old" in English is Ho quattordici anni in Italian.
"She is 15 years old!" in English is Lei ha quindici anni! in Italian.
No, Calogero is not translated from Italian to English as "Charles." The former masculine proper noun -- pronounced "KA-lo-DJEY-ro" -- originates in the Greek name Καλόγερος (Kalògheros, "good old man," "handsome old man") whereas the latter -- translated into Italian as Carlo (pronounced "KAR-lo") -- traces its origins back to the Germanic word karlaz ("free man").
Ho diciotto anni is an Italian equivalent of the English phrase "I am 18 years old." The declaration translated literally as "I have 18 years" in English. The pronunciation will be "o dee-TCHOT-to AN-nee" in Pisan Italian.
Carla is an Italian equivalent of the English name "Carol." The feminine proper name traces its origins back to the feminine equivalent of the Old Norse Karl for "free man." The pronunciation will be "KAR-la" in Pisan Italian.
"How old do you have to be to get your license?" in English is Quanti anni devi avere per ottenere la tua licenza? in Italian.
"My son is two years old" in English is Mio figlio ha due anni in Italian.
Quanti anni ho? is an Italian equivalent of the English phrase "How old am I?" The question translates literally into English as "How many years do I have?" The pronunciation will be "KWAN-tee AN-nee o" in Italian.
Years old? Ho nove anni
51 anni, maschio in Italian means "Male, 51 years old" in English.