No hollow sound came from any section of it to indicate an open space behind.

The hollow sound of the explosion came from the camp behind them.

The hollow sound was the beginning of the game, not the end.

They buried themselves in the wood with a hollow sound.

It gave against the rocks and made a hollow sound.

He could hear the hollow sound of the overseas line.

The voice came through with a slight hollow sound to it.

He could remember every word, the hollow sound as the front door had slammed.

It's a soft hollow sound in the back of the throat.

At one end, in the most likely spot, there was a hollow sound.