1. a spur
    • 馬に拍車をかける
    • 〔当てる〕spur [put spurs to] one's horse
    • 拍車のついた乗馬靴
    • spurred riding boots
    • 減税でエコカーの普及に拍車がかかった
    • The tax reduction acted as a spur to the widespread sale of eco-friendly cars.
    • その事件は教育論争に拍車をかけた
    • The incident added fresh fuel to the educational controversy.
    • 不況が国の財政の悪化に拍車をかけた
    • The recession aggravated the nation's financial situation.
    • 栄養失調は病気の発症に拍車をかける
    • Malnutrition accelerates the onset of the disease.