柠檬加醋心有多酸薄荷加冰心有多凉
[níng méng jiā cù xīn yŏu duō suān bó hé jiā bīng xīn yŏu duō liáng]
A creative expression likening the feeling of a broken heart to sour lemon with vinegar and mint mixed with ice, indicating both bitter and cold emotions after disappointment or unrequited love.