鞠躬尽瘁，死而后已 (鞠躬盡瘁，死而後已) jūgōng jìn cuì, sǐ ér hòu yǐ

jūgōng jìn cuì, sǐ ér hòu yǐ phrase to bend to a task and spare no effort unto one's dying day; striving to the utmost one's whole life
Domain: Proverb 谚语
Notes: (CC-CEDICT '鞠躬盡瘁，死而後已')