The vibrating blade hummed, neatly decapitating the stone effigy.

The paired blades hummed and stopped, clogged by fluid showering from the underside of the branch above.

The double-edged blade, of a sinister blue, hummed faintly.

The deadly curved blade with its sharp double edges hummed and sang against the wind.

Nob struck again, and the blade hummed and sang, and a great chunk of dead wood flew up, landing at the dwarfs feet.

The blade hummed as if in the highest state of alarm.

Rincewind saw his own arm snap up until the shimmering blade was humming a mere inch from his throat.

The twin blades hummed ominously, the ion field between them resonating.

The blade hums when danger is near and can cut through anything without resistance.

His moustaches bristled like a lion's whiskers, and the blade hummed in his hand.