忠贞不渝 (zhōng zhēn bù yú) — unswervingly loyal; faithful and unchanging

Definition

A formal four-character idiom meaning 'unswervingly loyal and faithful.' Used in writing for devotion to country, ideals, or lifelong relationships — stronger and more literary than simply saying 忠诚.

idiom

unswervingly loyalfaithful and unchanging

Examples

忠贞不渝，。
Tā duì zǔ guó zhōng zhēn bù yú, yì shēng dōu zài wèi guó jiā fèn dòu.
He is unswervingly loyal to his motherland and has struggled for the country all his life.
，忠贞不渝。
Zhè duì fū qī jié hūn wǔ shí nián, gǎn qíng zhōng zhēn bù yú.
This couple has been married for fifty years, and their affection is unswervingly loyal.
，忠贞不渝。
Zài kùn nan miàn qián, tā shǐ zhōng bǎo chí zhōng zhēn bù yú de xìn niàn.
In the face of difficulties, he always maintains an unswervingly loyal faith.

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