ㄇㄛˊㄉㄧㄥˇdǐngㄈㄤˇfǎngㄓㄨㄥˇzhǒng

  1. 從頭腳跟受損比喻捨身救世不辭勞苦孟子·盡心》:墨子兼愛摩頂放踵天下。」·馬中錫中山狼》:先生墨者摩頂放踵天下?」摩頂至踵」、摩頂至足」、磨頂至踵」、磨踵滅頂」。捨身濟世

to rub one's head and heels (idiom)​; to slave for the benefit of others, to wear oneself out for the general good