承时不你终再蒙光弃我不遇
[chéng shí bù nĭ zhōng zài mĕng guāng qì wŏ bù yù]
The name 'Cheng Shiguang Buzhiyao' translates roughly to: Even if the timing is right, we may not encounter each other; I would never forget your love in heart. This internet username conveys a mix of fate, timing, and lingering sentiment, hinting at a romantic or nostalgic theme.