鞠躬尽力 (鞠躬盡力) jūgōng jìnlì

jūgōng jìnlì set phrase to bend to a task and spare no effort; striving to the utmost
Domain: Idiom 成语
Notes: Same as 鞠躬尽瘁 (CC-CEDICT '鞠躬盡力')