忘了当初喜欢谁忘了当初爱了谁
[wàng le dāng chū xĭ huān shéi wàng le dāng chū ài le shéi]
A reflection on lost or faded love/memories, meaning 'I've forgotten who I first liked and who I first loved.' It could represent a state of confusion or reminiscence over past relationships and loves.