衬三年旧青衫你却别来无恙
[chèn sān nián jiù qīng shān nĭ què bié lái wú yàng]
The phrase 'Wearing the old dark blue scholar's robe for three years, yet you are well even though we've been apart' conveys a bittersweet feeling. It implies the user cherishes past memories while acknowledging changes in people's lives over time. 'Old dark blue scholar’s robe' symbolizes humble and simple beginnings or nostalgia for the early stage of their relationship. This username expresses regret and longing towards a person who is now distanced from them but seems to be doing well.