loro perdevano

were losing, were disappearing, were getting lost

→ perdere
perd to lose + evano 3rd-person plural imperfect
verb · 3rd-person plural, imperfect tense Rare #46,852
were losing The imperfect can also be translated as “lost,” depending on context.
IT: Perdevano sempre le chiavi.
EN: They were always losing their keys.
were disappearing, were getting lost
IT: Le luci si perdevano nella nebbia.
EN: The lights were disappearing into the fog.
Conjugation of perdere
Indicative imperfect
SingularPlural
Third — perdevano

Non ci perdevano di vista un istante.

They never lost sight of us for a moment.

— Lussuria - Seduzione e tradimento (2007)

Quindi avevo tutti quei soldi a Loricum, che perdevano valore restando lì.

So I had all that money in Loricum, losing value just sitting there.

Con quelle nuvole dalle linee strane che si perdevano alla vista.

With those clouds with strange lines that disappeared from sight.

— Porco Rosso (1992)

Perdevano sempre.

They always lost.

— Laurence Anyways e il desiderio di una donna... (2012)