lifetime /ˈlaɪfˌtaɪm/ noun plural lifetimes
plural lifetimes
Learner's definition of LIFETIME
[count]
1
a : the time during which a person is alive一生;终身 -
Four editions of the book were printed in his lifetime. [=during his life]这本书在他生前一共印了四个版次。
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She has had a lifetime of hard work. [=she has worked hard all her life]她一辈子工作勤勤恳恳。
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a lifetime spent traveling the world周游世界的一生
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I don't think it will happen in our lifetime. [=the time when we are alive]我认为在我们的有生之年这事不会发生。
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She owns enough shoes to last (her) a lifetime. [=to last for the rest of her life]她的鞋够她穿一辈子了。
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the thrill of a lifetime [=a great thrill; the most exciting moment or event of a person's life]一生中最为激动的时刻
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This is the opportunity of a lifetime. = This sort of opportunity comes along once in a lifetime. [=this is a very rare opportunity]这真是千载难逢的机会。
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often used before another noun常用于另一名词前 -
He won a lifetime supply of ice cream. [=free ice cream for the rest of his life]他赢得了终身免费享用冰激凌的奖励。
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She was presented with a lifetime achievement award. [=an award for all the work she has done in her life]她被授予终身成就奖。
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a baseball player's lifetime batting average [=batting average measured over a baseball player's full career]棒球运动员职业生涯的平均安打率
b : a very long time很长一段时间 2
: the time during which something lasts or is useful有效期;使用期;存在期