犹记那时年少衣衫薄犹记那时年少时光凉
[yóu jì nèi shí nián shăo yī shān bó yóu jì nèi shí nián shăo shí guāng liáng]
A reflective and somewhat melancholic phrase reminiscing over youth. It mentions thin clothing and cool times, metaphorically speaking of young memories that feel both simple and bittersweet now.