往我伤口上撒盐姑娘你真棒
[wăng wŏ shāng kŏu shàng sā yán gū niáng nĭ zhēn bàng]
This username translates to 'You're great, girl who sprinkles salt on my wound.' It suggests someone who unintentionally (or perhaps intentionally) brings pain to the user but does so in a way that is admired or appreciated by the speaker.