念你是痛忘你是悲
[niàn nĭ shì tòng wàng nĭ shì bēi]
Niàn nǐ shì tòng wàng nǐ shì bēi translates to 'thinking of you is pain; forgetting you is sorrow.' It expresses complex emotions of both loving and letting go with equal intensity, suggesting pain from memory of a relationship mixed with sadness in trying to forget.