Molto gentile! and Molto gentili! are Italian equivalents of the English phrase "Very kind!" Context makes clear whether the audience is of one (case 1) or more (example 2). The respective pronunciations will be "MOL-to djen-TEE-ley" in the singular and "MOL-to djen-TEE-lee" in the plural in Pisan Italian.
"You are very kind!" in English is Sei molto gentile! in Italian.
"Very" in English means molto in Italian.
"Very funny!" in English is Molto divertente! in Italian.
"We are very beautiful!" in English is Siamo bellissime!in Italian.
Molto in Italian means "very" in English.
Fortissimo in Italian is "very strong" in English.
"Very handsome" in English means molto bello in Italian.
"I am very sorry!" in English is Sono molto spiacente! in Italian.
"Very well!" in English means Molto bene! in Italian.
"Very slow" in English means molto lento in Italian.
"It was very delicious!" in English is Era molto delizioso! in Italian.
"Very romantic" in English means molto romantico in Italian.