lifeline

名词 lifeline:

1. a crease on the palm; its length is said by palmists to indicate how long you will live
   同义词：line of life, life line
2. support that enables people to survive or to continue doing something (often by providing an essential connection)
3. line that raises or lowers a deep-sea diver
4. line thrown from a vessel that people can cling to in order to save themselves from drowning

1. I was getting deeper in debt but my father-in-law threw me a lifeline and lent some money until my financial situation improved.
   我欠了很多债，是我的岳父给我了帮助，他借给我一些钱，帮助我摆脱了经济困境。
2. Public transport is a lifeline for many rural communities.
   公共交通对许多农村居民来说是不可或缺的。

life.line

n.（名词）

An anchored line thrown as a support to someone falling or drowning.
救生索：一条一端固定的绳索，扔给坠落或溺水的人作为支撑物
Nautical A line shot to a ship in distress.
【航海】 救生索：抛向遇难船只的绳索
A line used to raise and lower deep-sea divers.
升降索：用来提升或放低深海潜水员的绳索

A means or route by which necessary supplies are transported.
重要的交通线：必需物资运输的方法或路线
One that is or is regarded as a source of salvation in a crisis.
救星：是或被认为是在危机中拯救别人的人
A diagonal line crossing the palm of the hand and believed to indicate the length and major events of one`s life.
生命线：穿过手掌的一条斜纹，被认为能指示某人的寿命和生活中的主要事件