爱人以北爱荒凉时间以北慕城南
[ài rén yĭ bĕi ài huāng liáng shí jiān yĭ bĕi mù chéng nán]
In this username, the person seems to express a feeling of love towards the past ('north' representing past), where 'desolate love' indicates lost or lonely feelings and 'south city admire (or south city envies)' hints at yearning or longing for something in the distant or unreachable place.