原谅我有血有肉却是废人
[yuán liàng wŏ yŏu xuè yŏu ròu què shì fèi rén]
'Forgive me for having flesh and blood but still be a good-for-nothing.' It acknowledges one's human vulnerabilities yet feels incompetent or unworthy. There's an element of asking forgiveness for not living up to expectations despite being just as capable in potential.