Ciao, amabile gentiluomo* is an Italian equivalent of the English phrase "Goodbye, Lovely gentleman."
Specifically, the greeting ciao means "hi, hello." The feminine/masculine adjective amabile means "lovely." The masculine noun gentiluomo means "gentleman."
The pronunciation is "tchow** ah-MAH-bee-leh DJEHN-tee-LWOH-moh."
*The phrase "lovely gentleman" (amabile gentiluomo) is one used by the Nurse in the Italian version of Act 3 Scene 5 of "Romeo and Juliet" by William Shakespeare (Baptized April 26, 1564 - April 23, 1616).
**The sound is similar to that in the English noun "chow."
"Goodbye, all you handsome men!" in English is Addio a tutti voi uomini belli! in Italian.
Che bell'uomo! is an Italian equivalent of the English phrase "What a handsome man!" The masculine singular exclamatory statement translates literally into English as "That handsome man!" and "What (a) handsome man!" The pronunciation will be "key bel-LWO-mo" in Italian.
"Very handsome" in English means molto bello in Italian.
"My handsome brother" in English is mio bel fratello in Italian.
"You are so handsome!" in English is Sei così bello! in Italian.
"Goodbye to summer!" in English is Addio all'estate! in Italian.
"You are a handsome man!" in English means Sei un bell'uomo! in Italian.
"You are handsome and intelligent!" in English is Sei bello e intelligente! in Italian.
"Good morning, handsome!" in English is Buongiorno, bello! in Italian.
Fico in Italian means "handsome" in English.
"Goodbye, my lover!" in English is Arrivederci, amante mio! in Italian.
"Handsome prince" in English means bel principe or principe bello in Italian.