古城小巷少年已去凉城小街少女未离
[gŭ chéng xiăo xiàng shăo nián yĭ qù liáng chéng xiăo jiē shăo nǚ wèi lí]
Depicts the scenario in which 'a boy from a narrow alley of an ancient town has left, while a girl still remains on the small street in Liangcheng'. Expressing feelings like nostalgia, waiting or yearning through poetic scenery.