涩吻酸泪
[sè wĕn suān lèi]
'涩吻酸泪' conveys a feeling of bitterness and regret. '涩吻' (se wen) can be understood as an uncomfortable or bitter kiss, implying an unfulfilling or unsatisfactory romantic experience. '酸泪' (suan lei), meaning 'sour tears,' refers to the pain and sourness associated with those memories, emphasizing emotional distress or sorrow.