东南见月几回圆
[dōng nán jiàn yuè jĭ huí yuán]
It's like saying 'How often does the moon become full when I see it in the southeast direction'. Ancient Chinese people often express homesickness and longing for reunion during Mid-Autumn Festival viewing the fullest, brightest moon. This internet username might carry similar sentiments and cultural connotations about missing home or beloved people, emphasizing the passing of time and changes.