谁人若欢笑欢乐过谁亦也舍不得最初
[shéi rén ruò huān xiào huān lè guò shéi yì yĕ shè bù dé zuì chū]
Translated as 'Who Would Have Laughter And Yet Be Reluctant To Part With The Beginning,' this username reflects a mix of joy and regret over the passing of time and initial experiences. It suggests nostalgia for past happiness and reluctance to let go of what was.