薄荷加冰心该有多冷柠檬加醋心该有多酸
[bó hé jiā bīng xīn gāi yŏu duō lĕng níng méng jiā cù xīn gāi yŏu duō suān]
'Mint with icy heart should be as cold as, lemon vinegar soaked heart must be so sour' describes feelings. With these elements, it expresses emotions being so icy cold or painfully sour, symbolizing deep emotional turmoil inside one's heart.