Tu ami Dio! and Voi amate Dio! are Italian equivalents of the English phrase "You love God!" Context makes clear whether one informal "you" (case 1) or two or more "you all" (example 2) suits. The respective pronunciations will be "too A-mee DEE-o" and "voy a-MA-tey DEE-o" in Pisan Italian.
"God loves you!" in English means Dio ti ama! in Italian.
"God" in English is Dio in Italian.
"To leave it to God" in English is lasciarlo a Dio in Italian.
"God's gift" in English is regalo di Dio in Italian.
"In God we trust!" in English is Abbiamo fede in Dio! in Italian.
"Thank you, God!" in English means Grazie, Dio! in Italian.
"God of darkness" in English means re delle tenebre in Italian.
"For the glory of God" in English is Per la gloria di Dioin Italian.
"Only God will judge me!" in English is Solo Dio mi giudicherà! in Italian.
"Holy Mother of God" in English is Santa Madre di Dio in Italian.
Lodare Dio in Italian means "Praise God" in English.
Bella! Dio! in Italian is "Beautiful! (Oh my) God!" in English.
Grazie a Dio! in Italian means "Thank God!" in English.