别紧张我又不是什么好人
[bié jĭn zhāng wŏ yòu bù shì shén me hăo rén]
Meaning 'Don’t be nervous, I’m not a good guy/person anyway.' A self-mocking statement trying to relieve another's unease. Perhaps implies that others do not need to worry because they're already aware of their less virtuous character. Or may use it in humor context showing friendly warning sign