Whoever was on watch, below there, had a sharp ear.

A man would need to have sharp ears to hear the boats tonight.

"A man will have to stay down there - someone with sharp ears."

He has very sharp ears and always comes to me for explanations.

George's sharp ears caught the sound of water and she went to look for it.

His sharp ears had heard someone attempting to sneak into the room behind him.

His sharp ears had caught a faint sound in the silence.

His sharp ears had caught the sound of racing feet.

In another minute they all heard what his sharper ears had been the first to notice.

That was when his sharp ears heard something hit the ground from behind the house.