瞳孔中残留你的忧伤眼眸里只剩你的身影
[tóng kŏng zhōng cán liú nĭ de yōu shāng yăn móu lĭ zhĭ shèng nĭ de shēn yĭng]
Described poignantly, this means 'your sorrow remains in the pupil while your shadow only remains in my eyes,' suggesting lingering thoughts of melancholic separation from someone cherished or loved.