lifetime

noun

1. 一生；终身；有生之年；（某物的）存在期，寿命，使用期限
   the length of time that sb lives or that sth lasts
   1. His diary was not published during his lifetime.
      他的日记在他生前未曾发表过。
   2. a lifetime of experience
      毕生的经验
   3. in the lifetime of the present government
      在本届政府的任期内

1. N-COUNT 一生；终生
   A lifetime is the length of time that someone is alive.
   1. During my lifetime I haven't got around to much travelling.
      我一生中没怎么去旅行过。
   2. ...a trust fund to be administered throughout his wife's lifetime.
      为他妻子终生管理的信托基金
   3. ...an extraordinary lifetime of achievement.
      成就斐然的一生
2. N-SING （事物的）存在期，使用期
   The lifetime of a particular thing is the period of time that it lasts.
   1. ...the lifetime of a parliament.
      议会的届期
   2. ...a satellite's lifetime.
      卫星的使用期
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.
   1. This could be not just the trip of a lifetime but the experience of a lifetime.
      这可能不仅是一趟终生难遇的旅行，也将是一次终生难遇的体验。

1. Say's writings reached a wide audience during his lifetime
   在塞伊有生之年，他的作品拥有大量的读者。
2. Their lack of qualifications condemned them to a lifetime of boring, usually poorly-paid work
   没有学历使他们一辈子都得从事枯燥乏味而且通常报酬很低的工作。
3. Having spent a lifetime avidly courting publicity, Paul has suddenly become secretive.
   保罗一生都在想方设法出风头，现在却突然行事低调了。
4. I've spent a lifetime fighting against racism and prejudice.
   我一辈子都在同种族主义和偏见作斗争。
5. During my lifetime I haven't got around to much travelling.
   我一生中没怎么去旅行过。
6. This could be not just the trip of a lifetime but the experience of a lifetime.
   这可能不仅是一趟终生难遇的旅行，也将是一次终生难遇的体验。
7. In many cases this realizable wealth is not realized during the lifetime of the home owner
   许多情况下业主有生之年都没有把这笔可变现的财产变现。
8. I want to take advantage of your lifetime of scholarship.
   我希望能够用到您一生的学识。
9. You've given a lifetime of service to athletics
   你为田径运动贡献了一生。
10. The world has turned topsy-turvy in my lifetime.
    在我的一生中世界已经变得一团糟。
11. Works of art are in trust to us during our lifetime.
    艺术品交由我们托管一生。
12. There were heavy debts. It would take half Edward's lifetime to work them off.
    爱德华负债累累，他要工作半辈子才能偿清。
13. It would require more than a lifetime.
    这件事一辈子也做不完。
14. These are words which may not be seen again in a lifetime of reading.
    这些词也许今后一辈子也不会再读到了。
15. He endured all kinds of hardships in his lifetime.
    他一生饱尝艰辛。
16. He wrote many books during his lifetime.
    他一生著作很多。
17. Lowest lung cancer rates were found in lifetime rural nonsmokers.
    肺癌率最低的是终生居住在乡村的不吸烟者。
18. Fuel shortage isn't something that's going to happen in the year dot within the lifetime of the youngest of us.
    能源不足并不是在遥远的未来才会发生的事，我们之中年纪最小的人这一生中就会碰到。
19. Short lifetime means uncertain mass.
    短寿命意味着质量不确定。
20. That makes the achievement of a lifetime.
    取得了终身成就的人。
21. I intend to transcend all slaughter and consumptive thought-form and programming in this lifetime.
    我要在此生超越所有屠杀和消耗性的思想形态与编程。
22. You can love me for a lifetime?
    你能爱我一辈子嘛？
23. I think, even a lifetime of time, all unforgettable memory of you.
    我想，即使一辈子的时间，都忘不了记忆中的你。
24. And you will have a long lifetime of love and challenging work.
    你拥有的爱和挑战性的工作会很长久。
25. If you can't good to me for a lifetime, please don't good to me.
    假如你不能对我好一辈子，请不要对我好。
26. You have a lifetime to work.
    你有一生的时间去工作。
27. That was half a lifetime ago. we're different people now.
    都过了半辈子了，我们不是同一类人了。
28. But it built my faith for a lifetime.
    但却为我的一生树立了信念。
29. His lifetime of happiness and happiness!
    破坏了他一生的幸福幸福！
30. I died that day can certainly say to you that, I have loved you for a lifetime.
    我死去的那天一定会对你说，我爱了你一辈子。

n.

the chance, etc. of a lifetime

• 终身难得的机遇；千载难逢的机会
  a wonderful opportunity, etc. that you are not likely to get again

once in a lifetime

• （可能）一生只有一次
  used to describe sth special that is not likely to happen to you again
  1. An opportunity like this comes once in a lifetime.
     像这样的机会一生也许只会遇到一次。
  2. a once-in-a-lifetime experience
     一生只会拥有一次的经历

noun

1. the period during which something is functional (as between birth and death)
   1. the battery had a short life
   2. he lived a long and happy life

   Synonym:    lifelife-timelifespan