鞠躬尽瘁

to bend to a task and spare no effort (idiom); striving to the utmost

surname Ju

to incline (one's torso); to bow / leather ball used in ancient times / (literary) to bring up; to rear / Taiwan pr. [ju2]

to bow / (literary) to bend down

body (of a human, esp. the torso) / to bow / (literary) oneself; personally

old variant of 躬[gong1]

to the greatest extent / (when used before a noun of location) furthest or extreme / to be within the limits of / to give priority to

to use up / to exhaust / to end / to finish / to the utmost / exhausted / finished / to the limit (of sth) / all / entirely

care-worn / distressed / tired / overworked / sick / weary

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