Chinese Idiom 122

Meaning: Literally "loyal heart firm and unwavering," it evokes steadfast dedication.

Usage: Often used in praise of trusted friends or loyal employees.

Example: "他对公司忠心耿耿，一做就是十年。" (tā duì gōng sī zhōng xīn gěng gěng, yī zuò jiù shì shí nián) — "He's been deeply loyal to the company, working there for a decade."