Una in Italian means "a," "an," or "one" in English.
Con una fetta... in Italian is "With a slice..." in English.
Una ragazza in Italian means "a (one) girl" in English.
"A company" in English is una compania in Italian.
Una fetta
"One time" in English is una volta in Italian.
"She is a housewife!" in English is Lei è una casalinga!in Italian.
"An afternoon picnic" in English is una scampagnata pomeridiana in Italian.
Una lacrima sul viso in Italian means "a tear drop on your face" in English.
una grande serata/una serata grandiosa
"Una ragazza carina."
sei un/una/uno
"Una notte in Italia"