non siamo riusciti a

we weren't able to

→ non
phrase Rare #33,661
we weren't able to Used with an infinitive to say that we failed or were unable to do something. The form changes depending on the gender and number of the people referred to: riusciti is masculine or mixed plural; riuscite is feminine plural.
IT: Non siamo riusciti a finire il lavoro in tempo.
EN: We weren't able to finish the work on time.

Non siamo riusciti a venire prima.

We couldn't get here sooner.

— Roma (2018)

Noi non siamo riusciti a trovarla da nessuna parte.

We couldn't find it anywhere.

Non siamo riusciti a persuaderlo.

We couldn't persuade him.

Non siamo riusciti a trovarlo da nessuna parte.

We couldn't find it anywhere.

Non siamo riusciti a contattare nessuno che la conosca.

We haven't been able to contact anyone who knows her.

— Audition (2000)

Noi non siamo riusciti a trovarlo da nessuna parte.

We couldn't find it anywhere.

Non siamo riusciti a salvare la regina, mia signora!

We were unable to save the queen, my lady!

— Bahubali: The Beginning (2015)