His keen hearing had caught footsteps outside Clyde's door.
Despite her keen hearing, Sela still had to lean forward to hear everything he was saying.
His keen hearing had caught the whirring of the tape.
Within seconds his keen hearing caught the soft clip-clopping of a walking horse.
Its keen hearing picked up a third, a French couple away in a corner, whispering about the scene around them.
But these fellows have some seriously keen hearing because the caravan came to a dead halt.
He strained his keen hearing to understand what was being said, but the voices were too distant or muffled.
Far off, as if in the distance, his keen hearing heard voices even from beneath the dirt.
A sound at the window - slight though it was - had attracted the murderer's keen hearing.
Barbarians have keen hearing, though it can't compare with that of most animals.