either of a pair of sharp-toothed wheels or projecting points, worn on the heels of a rider's boots and used to make a horse go faster
thing that urges a person on to greater activity; incentive
urge on with spurs, or as with spurs
"the ceaseless prodding got on his nerves"
"cowboys know not to squat with their spurs on"
"The Academy was formed to spur research"
"the rider spurred his horse"
You may ride's With one soft kiss a thousand furlongs ere With spur we heat an acre.
出自：Winter's Tale , Shakespeare
General Miles..dug in his spurs in an endeavor to control the horse.
出自： J. Dos Passos
The thought of the prize spurred me on.
It was bitterly cold walking home tonight but the thought of a hot drink in the house spurred me on.
He was spurred on by ambition.
She was constantly spurred on by a fear of failure.
Even a small success would spur me on to greater effort.