鞠躬 Words — Dong Chinese Dictionary

jūgōng HSK7

bow

鞠躬尽瘁 jūgōngjìncuì striving to the utmost

to bend to a task and spare no effort; striving to the utmost
鞠躬尽力 jūgōngjìnlì striving to utmost

To bend to a task and spare no effort; to strive to the utmost.
鞠躬尽瘁，死而后已 jūgōngjìncuì, sǐ'érhòuyǐ devoted unto death

To dedicate oneself heart and soul to a task and work tirelessly until the day one dies.