lifetime

一生、寿命

人が生きている期間、または物が存在したり使えたりする期間。

やさしい英語で： The length of time that a person lives or that something exists or works.

• He lived here for his whole lifetime.
• The award recognised a lifetime of hard work.
• What is the expected lifetime of this machine?

使い方： in/during someone’s lifetime (She wrote six novels during her lifetime.); the lifetime of something (The battery should last for the lifetime of the device.)

類義語： lifespan

よく使う表現： a lifetime, during someone’s lifetime, lifetime of something

永遠、気が遠くなるほどの時間

気が遠くなるほど長く感じられる時間。

やさしい英語で： A period that feels extremely long.

• The wait felt like a lifetime.
• It seems a lifetime since we last met.
• I waited a lifetime for that bus.

類義語： ages, an eternity

よく使う表現： seem a lifetime, feel like a lifetime, wait a lifetime