摩頂放踵 [ㄇㄛˊ ㄉㄧㄥˇ ㄈㄤˋ ㄓㄨㄥˇ; mo2 ding3 fang4 zhong3] to rub one's head and heels (idiom); to slave for the benefit of others to wear oneself out for the general good ◄ ►
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