耿耿于怀 耿耿於懷

    gěnggěngyúhuái

    1. Idiomto take troubles to heart (idiom); brooding

    他因为那次误会,至今还耿耿于怀。Tā yīnwèi nà cì wùhuì, zhìjīn hái gěnggěngyúhuái.He is still preoccupied by that misunderstanding.