back 1 New HSK word(s): HSK6 锲而不舍 → → → → + qie4er2bu4she3 to chip away at a task and not abandon it (idiom); to chisel away at sth; to persevere; unflagging efforts 2 Old HSK word(s): B VA 刻* → ke4 chisel/ carve C VA 凿* → zao2 chisel/ dig/ cut a hole