她的白衣他的青衫
[tā de bái yī tā de qīng shān]
It translates into 'She is in white, He wears bluish-green clothes'. Traditionally in China, colors convey symbolism. White was worn by brides in ancient Chinese weddings and signifies purity, while Qing/碧绿色(blue-green) clothing used to symbolize lower-ranking literati or scholars. Thus, this username might describe an idyllic scenario featuring different characteristics of male and female characters, possibly a love interest. It may hint at classical romance or nostalgia about old-fashioned social status representation between men and women.