不是徐良何必犯贱
[bù shì xú liáng hé bì fàn jiàn]
The meaning could be complex. 'Not Xu Liang, no need to beg/act lowly.' Xu Liang may refer to someone specific or could just add a cultural flair. The rest suggests no need to demean oneself if they’re not who they aspire to be.