"You are forever the only one for me!" in English is Tu sei la sola persona per me sempre! in Italian.
Solo in Italian means "only" in English.
"For lovers only!" in English is Solamente per innamorati! in Italian.
No (only no is enough)
"Only God will judge me!" in English is Solo Dio mi giudicherà! in Italian.
"Uniquely" is a literal English equivalent of the Italian word unicamente. The adverb also may be translated into English as "only" or "solely." The pronunciation will be "OO-nee-ka-MEN-tey" in Italian.
Solo Dio giudicherà me
Ci può essere solamente uno
Saremo is a literal Italian equivalent of the English phrase "We will." It serves as only one of many possibilities since its translation is actually "We will be" in English. The pronunciation will be "sa-REY-mo" in Italian.
"Ennius" is an English equivalent of the Italian name Ennio. The masculine proper name occurs in English only in its original Latin form. The pronunciation will be "EN-nyo" in Italian.
Grandi amici -- grandi amiche (only female)
It's The Same, Only You Add "Ini" at The End (ie."Grinchini")
"Grandfathers" is an English equivalent of the Italian word nonni. The masculine plural noun also translates into English as "grandparents" in terms of either a group of only grandfathers or of mixed grandmothers and grandfathers. The pronunciation will be "NON-nee" in Italian.