ㄐㄩˊㄍㄨㄥㄐㄧㄣˋㄘㄨㄟˋjúgōng‑jìncuìˇˊㄏㄡˋˇsǐ’érhòuyǐ

鞠躬尽瘁,死而后已
jūgōng‑jìncuì, sǐ’érhòuyǐㄐㄩ  ㄍㄨㄥ  ㄐㄧㄣˋ  ㄘㄨㄟˋ,ㄙˇ  ㄦˊ  ㄏㄡˋ  ㄧˇ
  1. 三國·諸葛亮出師〉:鞠躬盡瘁,死而後已。」做事恭敬謹慎不辭辛勞盡心竭力一直為止 擔任消防工作鞠躬盡瘁,死而後已服務熱誠感佩」。

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