Chinese · Idiom Attested

尽心竭力

jìn xīn jié lì

In real, traceable use. Part of the curated seed collection; community review is coming.

Traditional: 盡心竭力

Both English Tiếng Việt

Meaning · English

To put your whole heart and all your strength into a task; to do your very best for someone or something. Used in praise, and in promises of devoted service.

Nghĩa · Tiếng Việt

Dốc hết tấm lòng và sức lực để làm một việc; hết lòng hết sức. Dùng để khen, hoặc để hứa sẽ tận tuỵ với công việc hay với người khác.

Literally: give all one's heart, use up one's strength

Examples

我们一定尽心竭力，把这件事办好。Wǒmen yīdìng jìn xīn jié lì, bǎ zhè jiàn shì bàn hǎo.We will certainly do our very best to see this through properly.

Editorial example (illustrative, not a corpus attestation) — awaiting a native-speaker check

Sources & notes

Hán-Việt bridge batch 062 (2026-11-13). Headword, Traditional form and pinyin checked against CC-CEDICT (CC BY-SA 4.0) source ↗ · Hán-Việt reading: Unihan kVietnamese source ↗ · Vietnamese cognate: Idiomer entry “tận tâm kiệt lực” (tan-tam-kiet-luc). Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.

Equivalents & related

Hán-Việt cognate tận tâm kiệt lực Whole heart, spent strength — effort emptied to the last measure. Tiếng Việt

Common questions

What does “尽心竭力” mean?

To put your whole heart and all your strength into a task; to do your very best for someone or something. Used in praise, and in promises of devoted service. Literally: give all one's heart, use up one's strength

Is “尽心竭力” formal or informal?

尽心竭力 is generally formal.

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