柠檬吃了心酸薄荷尝了心凉
[níng méng chī le xīn suān bó hé cháng le xīn liáng]
'Eating Lemon Makes the Heart Sour, Mint Makes it Bitter Coolness' conveys mixed emotions similar to the feelings invoked when tasting sour lemon or cooling mint, symbolizing complicated emotions triggered by different events.