柠檬不心酸薄荷不心凉
[níng méng bù xīn suān bó hé bù xīn liáng]
This poetic phrase translates to 'Lemon doesn’t sour my heart, mint doesn't cool it.' It expresses a resilience where neither sour nor bitter experiences affect one’s emotions deeply. It can mean being emotionally unaffected by negative situations or people, symbolizing inner peace and strength.