愛情勿降臨戀愛勿來臨
[ài qíng wù jiàng lín liàn ài wù lái lín]
This username translates to 'Do Not Let Love Descend or Romantic Love Approach'. It implies a refusal or reluctance to accept love and romance in life, perhaps suggesting that the person has been hurt before and does not wish to risk experiencing similar pain again.