时间以北幕城南故人以北爱荒凉
[shí jiān yĭ bĕi mù chéng nán gù rén yĭ bĕi ài huāng liáng]
This nickname suggests a sentiment about time and space, with the phrase indicating memories of someone (a past love or a dear friend) beyond a certain point in time and space, expressing feelings like nostalgia, sadness or a sense of desolation towards love or a place.