红线 (hóng xiàn) — red thread of fate (destined love bond); red line: a boundary or limit that cannot be crossed; bottom line

Definição

Exemplos

• 传说中，红线把有缘人连在一起。
  Chuán shuō zhōng, hóng xiàn bǎ yǒu yuán rén lián zài yì qǐ.
  Legend says the red thread connects people who are destined to be together.
• 这是国家的红线，绝对不能触碰。
  Zhè shì guó jiā de hóng xiàn, jué duì bù néng chù pèng.
  This is a national red line that absolutely cannot be crossed.
• 地图上画了一条红线，表示警戒区域。
  Dì tú shàng huà le yì tiáo hóng xiàn, biǎo shì jǐng jiè qū yù.
  A red line was drawn on the map to indicate a warning zone.