青衫如故青衫依旧
[qīng shān rú gù qīng shān yī jiù]
'Qing Shan Rugu Qing Shan Ruyou' describes a situation of reminiscence. '青衫' in ancient China, refers to the clothes worn by low-ranking officials or ordinary literati. The phrase shows an image of unchanged dressing or spirit over time, implying that some essential parts of the owner's personality have never changed, no matter what changes in life, which is often used in nostalgic scenes.