花落花泣不同悲落寞空思想
[huā luò huā qì bù tóng bēi luò mò kōng sī xiăng]
This username portrays a sentiment of sorrow and melancholy. It speaks about the transient nature of beauty (like flowers blooming and falling), but also that different things evoke sadness in different ways, which might all result in lonesomeness filled with idle thoughts. It's an emotional reflection often resonated in Chinese literature