你要是伤我我不会放过你
[nĭ yào shì shāng wŏ wŏ bù huì fàng guò nĭ]
It directly translates to 'if you hurt me, I won't let you go,' implying a promise for retribution if wronged. It reflects toughness and strong sense of justice or maybe the opposite: being very vulnerable deep down.