对不起我不爱你没关系我知道啊
[duì bù qĭ wŏ bù ài nĭ méi guān xì wŏ zhī dào a]
Translating to 'I am sorry I do not love you—it does not matter because I understand.' It reflects a situation of polite refusal or accepting a friend zone status gracefully, showing mature understanding towards feelings and boundaries in relationships.