ˋㄐㄧㄚˋjiàㄑㄧㄣqīnㄓㄥzhēng

  1. 皇帝親自出征薛仁貴事略》:英國元帥先鋒起軍御駕親征。」三國演義·一回》:卻說先主每日教場操演軍馬剋日興師御駕親征。」

the emperor leads his troops into battle (idiom)​, to take part personally in an expedition