嘴角荡漾一丝微笑
[zuĭ jiăo dàng yàng yī sī wēi xiào]
This online name, which literally translates to 'A smile playing at the corner of my mouth', suggests that the person often has a light and easy smile, conveying an aura of cheerfulness and friendliness. This kind of user probably wants to spread positive energy in their communication with others.