脫骨換胎 [ㄊㄨㄛ ㄍㄨˇ ㄏㄨㄢˋ ㄊㄞ; tuo1 gu3 huan4 tai1] 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 ◄ ►