生命线

• Pinyin: shēng mìng xiàn
• Desglose de hanzi: 生 = 土 + 屮 (life); 命 = 口 + 叩 (fate, life); 线 = 糸 + 泉 (thread, line)

Significado

línea de vida; recurso imprescindible

Used metaphorically to describe anything indispensable — a supply route, an economic corridor, or a vital system. Frequently appears in military, infrastructure, and economic contexts. The term conveys urgency: without this lifeline, survival or success is threatened.

Ejemplos

1. 这条铁路是边疆地区物资运输的生命线，一旦中断后果不堪设想。
2. 对许多创业公司而言，现金流就是企业的生命线，必须严格管控。
3. 在荒漠地区，每一处水源都是当地居民赖以生存的生命线。

Guía de uso

Contexto: military, economics, infrastructure, business

Tono: serious

Correcto

• 这条高速公路是连接两省的经济生命线，其畅通与否直接影响地区发展。(This expressway is the economic lifeline connecting the two provinces; whether it remains open directly affects regional development.)
• 稳定的电力供应是现代工厂正常运转的生命线，任何停电都会造成巨大损失。(A stable electricity supply is the lifeline for normal factory operations; any power outage causes enormous losses.)

Incorrecto

• 生命线 for trivial conveniences — reserve it for things whose loss would cause genuine crisis or failure

Origen e historia

生命 (life) + 线 (line)

Contexto cultural

Generación: All ages

Contexto social: Universal