ㄑㄧㄝˋqièˊérㄅㄨˋㄕㄜˇshě

  1. 鏤刻捨棄停止鍥而不捨不斷刻下不停比喻堅持到底奮勉不懈鍥而不捨精神努力追查終於。」鍥而不舍」。

to chip away at a task and not abandon it (idiom)​; to chisel away at sth, to persevere, unflagging efforts
persister dans son entreprise
beharrlich (Adj)​