Till a twig cracked behind me, and I wheeled around.

She made it through the door just as the kitchen floor began to crack apart behind her.

Reaching overhead, she cracked open the window behind her bed.

A dry stick cracked behind him and he swung around.

Then the door cracked a crack behind him and swung open.

Thunder crashed and cracked across the sea behind them.

A whip cracked behind them and they stood aside as several coaches rumbled by.

She senses an emotional dam cracking behind the voice.

A dozen revolvers cracked behind them but they did not stop.

He had not gone a dozen steps when a rifle cracked behind him.