Rènhé tiǎoxìn dōu jiāng chùpèng wǒmen de hóngxiàn.
Any provocation will touch our red line.
Tips
culture
In Chinese policy discourse, 红线 (red line) is a firm boundary — often used in geopolitical, environmental, and financial contexts. In Chinese folklore, 红线 also refers to the thread of fate tied by the god of marriage (月老), linking destined partners.