生せい命めい線せん

noun

lifeline; indispensable thing

Figurative use: something essential for survival, success, or well-being. Often used in phrases like 生命線を握る (hold the lifeline) or 生命線を断つ (cut off the lifeline).

• この道どう路ろは被ひ災さい地ちにとっての生せい命めい線せんだ。

  This road is a lifeline for the disaster-stricken area.

• 彼かれは会かい社しゃの生せい命めい線せんを握にぎっている。

  He holds the company's lifeline.

noun

life line (palm reading)

The line on the palm used in palmistry to indicate vitality and life span. Often discussed in fortune-telling contexts.

• 手て相そう占うらないでは、生せい命めい線せんが長ながいと長なが生いきすると言いわれる。

  In palm reading, a long life line is said to indicate a long life.