ㄊㄨㄛㄊㄞㄏㄨㄢˋㄍㄨˇtuōtāi‑huàngǔ

脱胎换骨
  1. 道教修煉得道比喻思想觀念發生根本變化 脫胎換骨獲得新生」。

to shed one's mortal body and exchange one's bones (idiom)​; born again Daoist, to turn over a new leaf, fig. to change wholly, to create from other material (story, artwork etc)​
renaître
completely