Buon Anno a te e alla tua famiglia! in the singular and Buon Anno a voi e alla vostra famiglia! in the plural are literal Italian equivalents of the English phrase "Happy New Year to you and your family!" The choice depends upon whether the audience is of one (case 1) or more (case 2). The respective pronunciation will be "bwo-NAN-no a TEY e AL-la TOO-a fa-MEE-lya" in the singular and "bwo-NAN-no a voy ey AL-la VO-stra fa-MEE-lya" in the plural in Italian.
"Happy birthday with love to my female friend!" in English is Buon compleanno con amore alla mia amica! in Italian.
"I am happy!" in English is Sono felice! in Italian.
Buon compleanno il tuo amico
"You are happy!" in English is Tu sei felice! in Italian.
"Happy home!" in English is Casa felice! in Italian.
"I am happy with you!" in English is Sono felice con te!in Italian.
"Happy Birthday to my friend Barbara! Love you!" in English means Buon compleanno alla mia amica Barbara! Ti voglio bene! in Italian.
Infelice
"Happy birthday, auntie!" in English is Buon compleanno, zietta! in Italian.
"I'm happy for you" in English means Sono felice per tein Italian.
Così felice! in Italian is "So happy! in English.
Buona vita