Molto difficile in the singular and molto difficili in the plural are Italian equivalents of the English phrase "very difficult." Context makes clear whether a reference to one (case 1) or more (example 2) of someone or something difficult suits. The respective pronunciations will be "MOL-to deef-FEE-tchee-ley" in the singular and "MOL-to deef-FEE-tchee-lee" in the plural 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.
"You are very kind!" in English is Sei molto gentile! 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.