"You're handsome, you know?" is an English equivalent of the Italian phrase Sei bello, sai?
Specifically, the verb sei is "(informal singular you) are". The masculine adjective bello means "beautiful, handsome, nice, pretty". The verb sai translates as "(informal singular you) are knowing, do know, know".
The pronunciation will be "sey BEHL-loh SEYE*" in Italian.
*The sound is similar to that in the English noun "eye".
"You are so handsome!" in English is Sei così bello! in Italian.
"You are handsome and intelligent!" in English is Sei bello e intelligente! in Italian.
"You are prettier!" in English is Tu sei più bella! for a female and Tu sei più bello! for a male in Italian.
"You're so handsome!" in English is Sei così bello! in Italian.
To a boy - "Tu sei piu bello" To a girl - "Tu sei piu bella"
Chi sei? in Italian is "Who are you?" in English.
Sei bravo! in Italian means "You're good" in English.
Sei bella! in Italian means "You're beautiful!" in English.
"Six" in English is sei in Italian.
"You're handsome" is an English equivalent of the Italian phrase Sei bello. the second person informal singular present indicative and masculine singular adjective model a hallmark of Italian whereby pronouns need not be used -- in this case tu("you") -- when context and verb endings make the subject clear. The pronunciation will be "SEH-ee BEL-lo" in Italian.
sei li?
Perché sei arrabbiato? in Italian means "Why are you angry?" in English.