could, was able to
Il ragazzo non poté parlar subito.
The boy couldn't speak right away.
Tom non poté mangiare per tre giorni.
Tom couldn't eat for three days.
La macchina si mise in moto e niente poté fermarla.
The machine got underway, and nothing could stop it.
— La fiamma del peccato (1944)
He couldn't finish his dinner.