- 革故鼎新 gégùdǐngxīn to innovateto discard old habits or systems and establish the new; often used in the context of political reform or a change in dynasty
- 鼎新革故 dǐngxīngégù to discard the old for the newTo establish a new system and get rid of old, harmful practices; often used in the context of political reform or a change in dynasties.