脫胎換骨

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)

to shed / to take off / to escape / to get away from

to be born / (fig.) to develop out of sth else (of ideas, stories, political systems etc) / (fig.) to shed one's body (to be reborn) / bodiless (e.g. lacquerware)

fetus / classifier for litters (of puppies etc) / padding (in clothing or bedding) / womb carrying a fetus / (fig.) origin / source / (loanword) tire

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)

bone