回眸那旧时光回首那就光阴
[huí móu nèi jiù shí guāng huí shŏu nèi jiù guāng yīn]
Looking back on old times, the username reflects nostalgia for past experiences and the passage of time. Both phrases suggest reminiscence over moments or years gone by, focusing on the beauty and sorrow intertwined with the flow of time.