空城少年不谈情旧梦少女不说爱
[kōng chéng shăo nián bù tán qíng jiù mèng shăo nǚ bù shuō ài]
The lonely boy in an empty city does not talk about love, and the girl who is still haunted by old memories refrains from speaking of love either. This conveys the feelings of loneliness and unspoken emotions.