una ad una

one by one

→ uno
phrase Rare #36,764
one by one Used to describe doing or taking things individually, in sequence.
IT: Ha letto le lettere una ad una.
EN: She read the letters one by one.

Il poliziotto stava controllando le auto una ad una.

The policeman was checking the cars one by one.

Mary ha tirato fuori le uova una ad una.

Mary took out the eggs one by one.

Ecco perché il vecchio controlla le ciotole una ad una.

That's why the old man checks the bowls one by one.

— Tampopo (1985)

Tutte le cose nella casa, furono portate via una ad una.

All the things in the house were taken away one by one.

— Fearless (2006)