两人的过往原谅我一人独忆
[liăng rén de guò wăng yuán liàng wŏ yī rén dú yì]
'For the Sake of Our Past, Forgive Me for Remembering Alone'. Here, the user is apologizing for privately reflecting on shared memories of two people. It can denote regret, guilt, or even loneliness when recollecting moments only known between two individuals.