ㄍㄞˇgǎiㄒㄧㄢˊxiánˋㄔㄜˋchè

  1. 改換更改車行道路比喻改變制度做法態度封神演義·》:老臣朝歌直諫天子改弦易轍禍亂。」革故鼎新改弦更張舊調重彈習故守常

change of string, move out of rut (idiom)​; dramatic change of direction, to dance to a different tune