perfectly, completely
Sapevi perfettamente di non averlo.
You knew perfectly well that you didn't have it.
— Wolf Call - Minaccia in alto mare (2019)
Oggi lo avrebbe dichiarato perfettamente sano.
Today he would have declared him perfectly healthy.
— It's Such a Beautiful Day (2012)
It worked perfectly.
Riuscii a sembrare perfettamente calma.
I managed to seem perfectly calm.
Parlo perfettamente l'inglese, ma non capisco niente.
I speak English perfectly, but I don't understand a thing.
— Effetto notte (1973)
It is perfectly harmless.
Io comprendo perfettamente le vostre critiche negative.
I completely understand your negative criticism.
— 2001: Odissea nello spazio (1968)
Io sono perfettamente felice qui.
I am perfectly happy here.