to bend to a task and spare no effort (idiom) / striving to the utmost
Results beginning with 鞠躬尽瘁
鞠躬尽瘁,死而后已
jū gōng jìn cuì , sǐ ér hòu yǐ
to bend to a task and spare no effort unto one's dying day (idiom) / striving to the utmost one's whole life / with every breath in one's body, unto one's dying day