我姓薛却怎么也学不好
[wŏ xìng xuē què zĕn me yĕ xué bù hăo]
This username combines a playful self-deprecating humor. 'Xue' (薛) sounds like the word 'xue' (学) meaning to learn. It implies that although my surname and the word for learning sound similar, I still can't learn well.