柠檬加醋心酸薄荷加冰心凉
[níng méng jiā cù xīn suān bó hé jiā bīng xīn liáng]
'Lemon Plus Vinegar Making the Heart Bitter, Mint Plus Ice Chilling the Heart' compares complex emotional states using mixed food elements. The bitter lemon symbolizes emotional bitterness or pain, while mint and ice suggest coolness or detachment.