Be nice
Be convenient / Be proper / Be becoming
Stare bene (+ inf. o cong.)
Be convenient / Be proper / Be becoming
Stare bene (+ inf. o cong.)
Examples
It's not nice to answer back like that!
Non sta bene rispondere così!It's unbecoming for you to criticize your grandparents
Non sta bene criticare i nonniDon't say that! It's not nice
Non dire così! Non sta bene