革故鼎新 gégùdǐngxīn to innovate Origin Definitions Defs Strokes Stroke Words Sentences Sents 革 gé noun to change to transform, reform, or change故 gù noun former (bound form) original; former; old; previous鼎新 dǐngxīn to innovate (literary) to innovate; to replace the old with the new; to start anew