数学不好的姑娘光芒万照
[shù xué bù hăo de gū niáng guāng máng wàn zhào]
This username humorously describes a girl who struggles with mathematics but shines in other aspects of her life. 'Mangwan Zhaoguang' can be loosely translated to “shining brightly despite being poor at math,” conveying that the user believes one can still achieve brilliance in areas they excel in, regardless of their weaknesses.