凉城空巷走失巷口
[liáng chéng kōng xiàng zŏu shī xiàng kŏu]
Cool City Lost in An Empty Alley - It describes someone's experience like wandering into an empty alley, feeling somewhat sad and helpless, as if the city they are living in has turned cool or alienated, conveying the loneliness and helplessness when one loses oneself in a strange environment or faces significant changes alone.