别打温柔牌别打腹黑牌
[bié dă wēn róu pái bié dă fù hēi pái]
This username suggests that the person doesn't want to play the roles of being too sweet or too sinister, possibly meaning that they do not want to be typecast as only having these two traits in social interactions or relationships. It’s a statement about avoiding extremes and embracing authenticity.