鞠guk1躬gung1盡zeon6瘁seoi5

simp鞠躬尽瘁

guk1 gung1 zeon6 seoi5guk1 gung1 zeon6 seoi6jū gōng jìn cuì

English

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

粵語 — Cantonese

盡心盡力；不遺餘力

Examples

佢為公司鞠躬盡瘁，但係竟然退休之前俾人炒咗。
He worked for the company in his waking hours, yet despite of that, he was fired before retirement.

Sources: cc-cedict, rime-cantonese, words.hk

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