1 N-COUNT [usually singular, oft poss NOUN] 一生;终生 A lifetime is the length of time that someone is alive. 一生;终生
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During my lifetime I haven't got around to much travelling.
我一生中没怎么去旅行过。
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...a trust fund to be administered throughout his wife's lifetime.
为他妻子终生管理的信托基金
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...an extraordinary lifetime of achievement. [+ of]
成就斐然的一生
SYN existence, time, day(s), course
2 N-SING [with poss] (事物的)存在期,使用期 The lifetime of a particular thing is the period of time that it lasts. (事物的)存在期,使用期
3 PHRASE 终生难遇的;千载难逢的 If you describe something as the chance or experience of a lifetime, you are emphasizing that it is the best or most important chance or experience that you are ever likely to have. 终生难遇的;千载难逢的 [emphasis]
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