Siete svegli in Italian is "You're awake" in English.
"He (one, she) asked, 'Are you all still awake?'" is an English equivalent of the Italian phrase Ha domandato Siete ancora svegli? The question also translates into English as "He (one, she) asked, 'Are you all alert again?'" The pronunciation will be "a DO-man-DA-to SYEH-tey an-KO-ra SVEH-lyee" in Italian.
It means "(you) are".
"Are you twins?" in English is Siete gemelli? in Italian.
siete impressionante
ragazze siete bei
voi siete matti
Siete i migliori sorella
"We missed you in church today" in English is Ci siete mancati in chiesa oggi in Italian.
"You are funny!" in English is Sei divertente! to one person, and Siete divertenti! to two or more individuals, in Italian.
"You all" is an English equivalent of the Italian word voi. The second person informal plural pronoun in question may be found employed in local or regional Italian as an admiring, respectful form for the singular "you." The pronunciation will be "voy" in Italian.
sei (one) siete( more) un dono di Dio
Siete una Bella Donna, I don't know how to pronouce it though.