深知你是梦却偏要碰深知你是毒却偏要尝
[shēn zhī nĭ shì mèng què piān yào pèng shēn zhī nĭ shì dú què piān yào cháng]
This online name implies the person knows that something or someone may be unrealistic or harmful ("a dream", "a poison"), yet he/she chooses to face it bravely despite the risks, which can be interpreted as a bittersweet and somewhat self-destructive love or pursuit.