The vibration came and went irregularly as Sulu trailed a hand down the corridor wall, its intensity increasing with each faint thrum.

The birds made no sounds - no coos or cries, nor the faintest thrum of wings.

It faded rapidly to a faint thrum.

Keat touched a hand throttle and they accelerated smoothly, with only the faintest thrum of an engine.

Vibration was a faint thrum in her bloodstream.

When they were gone, there was no sound but the faint thrum of the dragonfly's wings as it skimmed across the water.

I heard nothing but the faint thrum of wings as bats fished the air above for moths.

From somewhere they caught a faint thrum that sounded like an airplane passing over Westford.

Venera touched the stone wall and now felt a faint thrum, but very slight.

He could just touch the sword's hilt, and feel, through it a faint, persistent thrum of power.