In Italian is translates to in questo modo. Always remember that depending on the context of your sentences, the translation can vary. There may also be slang terminology if you were to travel to Italy. Keep in mind that online translators may not always be correct, they are a reflection of the exact words you have typed in.
"So adorable!" in English is Cosí adorabile! in Italian.
"So good!" in English means Che bello! in Italian.
"So are you" in English means Anche tu lo sei in Italian.
"I am so tired!" in English is Sono così stanco! in Italian.
"You are so handsome!" in English is Sei così bello! in Italian.
Così felice! in Italian is "So happy! in English.
"You're so handsome!" in English is Sei così bello! in Italian.
"I'm so glad!" in English is Sono così felice! in Italian.
"You look so sexy!" in English is Sembri così sexy! in Italian.
no lo so
"You're not so bad!" in English is Lei non è così cattivo! in Italian.
sei un figo