ㄑㄧㄥqīngㄐㄩㄕㄨˊshúㄌㄨˋ

  1. 駕駛輕便車子行駛熟悉路徑·韓愈處士〉:輕車熟路造父先後。」比喻熟習·辛棄疾新郎·逸氣軒眉逸氣軒眉輕車熟路驊騮。」熟路輕車」。得心應手駕輕就熟輕而易舉

lit. to drive a lightweight chariot on a familiar road (idiom)​, fig. to do sth routinely and with ease, a walk in the park
Routinenangelegenheit (S, Sprichw)​