谁敢毁她清白我定毁他未来
[shéi găn huĭ tā qīng bái wŏ dìng huĭ tā wèi lái]
It translates into “if anyone tarnishes her reputation, I would ruin his future”, reflecting the protective and fierce side toward someone important to the user. Conveys the seriousness about defending one's honor and loved ones.