说一段过往唱一曲离别
[shuō yī duàn guò wăng chàng yī qŭ lí bié]
This username implies a theme of nostalgia and melancholy, where the user might be recalling past experiences or farewells. 'Talking about the past, singing a song of departure' expresses feelings of reminiscence and sadness when things come to an end.