凉薄少年空城寂深巷少女已离去
[liáng bó shăo nián kōng chéng jì shēn xiàng shăo nǚ yĭ lí qù]
'Cool-hearted youth, empty city in silence, the maiden in the deep alley has left'. This expresses loneliness and loss, particularly in a romanticized setting like an ancient town.