任他红尘滚滚我自清风明月
[rèn tā hóng chén gŭn gŭn wŏ zì qīng fēng míng yuè]
This username means that no matter how tumultuous and worldly desires swirl around, the person remains calm and tranquil, akin to being embraced by fresh air and moonlight. It reflects someone with a detached, free-spirited, and peaceful mindset, not bothered by earthly troubles.