孤独城外乄悲情洒落一地雷雨伴奏乄悲伤无尽渲染
[gū dú chéng wài bēi qíng să luò yī dì léi yŭ bàn zòu bēi shāng wú jĭn xuàn răn]
It literally says 'Loneliness outside the city; sadness scattered like rain and thunder accompany boundless melancholy'. A vivid depiction through metaphors to express profound loneliness and sorrow in artistic form.