The old man's head lifted suddenly at that, as if he knew the sound.

Now she knew the sound and meaning of each character in it.

He knew the sound of gunfire and what it meant.

She couldn't make out any words, but knew the sound of the song.

I know the sound of languages without understanding what is being said.

Over a lifetime in baseball, he knows the sound of a sure thing.

"I know the sound from the fighting in our city."

He knew the sound in her voice and it meant that the subject had been changed.

I had never heard bees, and could not know the sound of them.

He'd spent so much time working on the engine, he knew the sound by heart.