饮尽秋恨
[yĭn jĭn qiū hèn]
Translates roughly to 'Drink up the sorrows of autumn', '饮尽秋恨' evokes the imagery of drinking wine under the fallen leaves in autumn and drowning one's regrets in this activity. Autumn signifies a fading, so this username can reflect on lost love or the inevitable passage of time.