知道你另有深情却还爱你
[zhī dào nĭ lìng yŏu shēn qíng què hái ài nĭ]
This translates to 'Knowing You Have Deep Feelings For Another Yet I Still Love You.' It describes a bittersweet situation where one acknowledges another person's commitment but continues to hold feelings for them anyway, indicating deep-seated yet unrequited emotions.