死而后已 (sǐ ér hòu yǐ) | Meaning: until death puts an end (idiom); one's whole life | Chinese Idiom with Pinyin & Origin

to bend to a task and spare no effort (idiom); striving to the utmost鞠躬尽瘁jū gōng jìn cuì

to rub one's head and heels (idiom); to slave for the benefit of others · to wear oneself out for the general good摩顶放踵mó dǐng fàng zhǒng

to serve (in some capacity) · to work for效劳xiào láo

until death puts an end (idiom); one's whole life · unto one's dying day