A low vibration had become louder and higher: it came from behind them.

Deep within he felt a low and troubled vibration.

Nyk could hear and feel the low vibration of equipment to run the train.

The club cracked so hard against the wall that I could almost hear the low vibrations traveling the length of the wood.

Eve sat where she was, though a low vibration had begun to hum in her blood.

Ian didn't smile, but seemed to emit a low vibration of amusement.

As the words whispered from her lips, a low vibration of sound began to hum through the suite.

The rhythm was like the low vibration that heralded an earthquake.

It was a rumbling, very low, a vibration in the surface she sat on.

A low but powerful vibration spread through the hull.