红颜叹花落蓝颜叹雨落
[hóng yán tàn huā luò lán yán tàn yŭ luò]
This online name expresses a sense of melancholy. '红颜' (hong yan) refers to beautiful women and '蓝颜' (lan yan) to handsome men, conveying the sorrow that they both share as flowers and rain fall - symbolic of the fleeting nature of beauty or circumstances in life.