secret

adj.

1. 秘密的；保密的；外人不得而知的
   known about by only a few people; kept hidden from others
   1. secret information/meetings/talks
      秘密信息 / 会议 / 会谈
   2. He tried to keep it secret from his family.
      这件事他试图瞒着家里。
   3. Details of the proposals remain secret.
      提议的细节仍不得而知。
   4. a secret passage leading to the beach
      通往海滩的秘密通道
2. （指行为与习惯）暗中进行的，未公开的，隐秘的
   used to describe actions and behaviour that you do not tell other people about
   1. He's a secret drinker.
      他偷偷地喝酒。
   2. her secret fears
      她内心的担忧
   3. a secret room
      秘室
3. 诡秘；神秘
   liking to have secrets that other people do not know about; showing this
   1. They were so secret about everything.
      他们无论对什么都那样神秘兮兮的。
   2. Jessica caught a secret smile flitting between the two of them.
      杰西卡看见他们俩诡秘地相视一笑。

noun

1. 秘密；机密
   something that is known about by only a few people and not told to others
   1. Can you keep a secret ?
      你能保守秘密吗？
   2. The location of the ship is a closely guarded secret .
      那艘船的方位是高度机密。
   3. Shall we let him in on (= tell him) the secret ?
      我们要不要把秘密透露给他？
   4. He made no secret of his ambition (= he didn't try to hide it) .
      他并没有掩饰自己的雄心壮志。
   5. She was dismissed for revealing trade secrets.
      她因泄露商业机密被解雇。
   6. official/State secrets
      官方 / 国家机密
2. 诀窍；秘诀
   the best or only way to achieve sth; the way a particular person achieves sth
   1. Careful planning is the secret of success.
      仔细计划是成功的诀窍。
   2. She still looks so young. What's her secret?
      她看着依旧那么年轻。她的保养秘诀是什么呢？
3. 奥秘；奥妙
   a thing that is not yet fully understood or that is difficult to understand
   1. the secrets of the universe
      宇宙的奥秘

1. See also: Soldiers have been training at a secret location... The police have been trying to keep the documents secret. top secret
2. N-COUNT 秘密;机密;内情
   A secret is a fact that is known by only a small number of people, and is not told to anyone else.
   1. I think he enjoyed keeping our love a secret...
      我觉得他喜欢和我偷偷摸摸地谈恋爱。
   2. I didn't want anyone to know about it, it was my secret.
      我不想任何人知道这件事，这是我的秘密。
3. N-SING 秘诀;诀窍
   If you say that a particular way of doing things is the secret of achieving something, you mean that it is the best or only way to achieve it.
   1. The secret of success is honesty and fair dealing...
      成功的秘诀在于诚实和公平交易。
   2. I learned something about writing. The secret is to say less than you need.
      我学过一点写作方面的技巧，秘诀就是欲说还休。
4. N-COUNT 奥秘;奥妙
   Something's secrets are the things about it which have never been fully explained.
   1. We have an opportunity now to really unlock the secrets of the universe...
      我们现在有机会去真正解开宇宙的奥秘。
   2. The past is riddled with deep dark secrets.
      过去承载了诸多不可告人的惊天秘密。
5. PHRASE 秘密地;暗地里
   If you do something in secret, you do it without anyone else knowing.
   1. Dan found out that I had been meeting my ex-boyfriend in secret.
      丹发现我一直在跟前男友偷偷见面。
6. PHRASE 保守秘密
   If you say that someone can keep a secret, you mean that they can be trusted not to tell other people a secret that you have told them.
   1. Tom was utterly indiscreet, and could never keep a secret.
      汤姆言语很不谨慎，什么时候也别想他守住秘密。
7. PHRASE 不隐瞒;开诚布公
   If you make no secret of something, you tell others about it openly and clearly.
   1. His wife made no secret of her hatred for the formal occasions...
      他的妻子公开表示厌恶那些礼节性的场合。
   2. Ministers are making no secret about their wish to buy American weapons.
      部长们毫不隐瞒他们想要购买美国武器的愿望。

1. I'm certain David's told you his business troubles. Anyway, it's no secret that he owes money
   我敢肯定戴维已经告诉过你他生意上有麻烦了。反正他欠钱也不是什么秘密了。
2. I made no secret of the fact that I was not a believer.
   我毫不掩饰我不信教。
3. One secret he learned very early on was not to flaunt his success.
   他很早就学到的一个秘诀就是不要夸耀自己的成功。
4. Someone might have guessed our secret and passed it on.
   有人或许已经猜到了我们的秘密并且将其散布开了。
5. I'm going to let you in on a little secret.
   我要向你透露一个小秘密。
6. The building was turned into a secret military installation.
   该建筑被改造成了一处秘密军事设施。
7. His letter was intercepted by the Secret Service.
   他的信被特工处截获了。
8. They make no secret of their leftist sympathies.
   他们毫不掩饰自己对左派的同情。
9. I'll let you into a little showbiz secret.
   我来告诉你一个娱乐圈的小秘密。
10. In sharing this secret you lighten your burden
    和别人分享这个秘密可以减轻自己的负担。
11. I can't say any more, it's meant to be a big secret
    我再也无可奉告了，这本是重大的秘密。
12. I ventured the idea that the secret of staying young was to mix with older people
    我大胆地提出了这样的观点：保持年轻的秘诀就在于和年长的人交往。
13. Last year my husband owned up to a secret affair with his secretary.
    去年丈夫向我坦白了他与秘书的私情。
14. Soldiers have been training at a secret location
    士兵们一直在一个秘密场所训练。
15. The police have been trying to keep the documents secret.
    警方一直设法将这些文件保密。
16. I didn't want anyone to know about it, it was my secret.
    我不想任何人知道这件事，这是我的秘密。
17. The secret of success is honesty and fair dealing
    成功的秘诀在于诚实和公平交易。
18. I learned something about writing. The secret is to say less than you need.
    我学过一点写作方面的技巧，秘诀就是欲说还休。
19. We have an opportunity now to really unlock the secrets of the universe
    我们现在有机会去真正解开宇宙的奥秘。
20. The past is riddled with deep dark secrets.
    过去承载了诸多不可告人的惊天秘密。
21. Dan found out that I had been meeting my ex-boyfriend in secret.
    丹发现我一直在跟前男友偷偷见面。
22. Tom was utterly indiscreet, and could never keep a secret.
    汤姆言语很不谨慎，什么时候也别想他守住秘密。
23. His wife made no secret of her hatred for the formal occasions
    他的妻子公开表示厌恶那些礼节性的场合。
24. Ministers are making no secret about their wish to buy American weapons.
    部长们毫不隐瞒他们想要购买美国武器的愿望。
25. I handed over my secret store of chocolate biscuits
    我交出了自己偷偷藏起来的巧克力饼干。
26. They suspected that Neville had traded secret information with Mr Foster.
    他们怀疑内维尔和福斯特先生交换了秘密情报。
27. That's why I must trust you to keep this secret
    那就是为什么我必须得相信你会保守这个秘密的原因。
28. I can keep nothing a secret from you.
    我对你没有保密的事。
29. Even if you have found the secret, there is no need to cry it from the housetop.
    即使你知道了这个秘密，也没有必要闹得满城风雨。
30. He entered by a secret entrance.
    他是从一个秘密入口处进来的。

n.

in secret

• 秘密地；暗中
  without other people knowing about it
  1. The meeting was held in secret.
     会议是秘密召开的。

a guilty secret

• 见不得人的秘密
  a secret that sb feels ashamed about

be an open secret

• 是公开的秘密
  if sth is an open secret , many people know about it, although it is supposed to be a secret

noun

1. something that baffles understanding and cannot be explained
   1. how it got out is a mystery
   2. it remains one of nature's secrets

   Synonym:    mysteryenigmaclosed book

2. information known only to a special group
   1. the secret of Cajun cooking

   Synonym:    arcanum

3. something that should remain hidden from others (especially information that is not to be passed on)
   1. the combination to the safe was a secret
   2. he tried to keep his drinking a secret

adj

1. not openly made known
   1. a secret marriage
   2. a secret bride

   Synonym:    unavowed

2. the next to highest level of official classification for documents

3. having an import not apparent to the senses nor obvious to the intelligence
   1. mysterious symbols
   2. the mystical style of Blake
   3. occult lore
   4. the secret learning of the ancients

   Synonym:    mysteriousmysticmysticaloccultorphic

4. not expressed
   1. secret (or private) thoughts

   Synonym:    private

5. conducted with or marked by hidden aims or methods
   1. clandestine intelligence operations
   2. cloak-and-dagger activities behind enemy lines
   3. hole-and-corner intrigue
   4. secret missions
   5. a secret agent
   6. secret sales of arms
   7. surreptitious mobilization of troops
   8. an undercover investigation
   9. underground resistance

   Synonym:    clandestinecloak-and-daggerhole-and-corner(a)hugger-muggerhush-hushsurreptitiousundercoverunderground

6. indulging only covertly
   1. a secret alcoholic

7. communicated covertly
   1. their secret signal was a wink
   2. secret messages

8. (of information) given in confidence or in secret
   1. this arrangement must be kept confidential
   2. their secret communications

   Synonym:    confidential

9. hidden from general view or use
   1. a privy place to rest and think
   2. a secluded romantic spot
   3. a secret garden

   Synonym:    privysecluded

10. designed to elude detection
    1. a hidden room or place of concealment such as a priest hole
    2. a secret passage
    3. the secret compartment in the desk

    Synonym:    hidden

11. not open or public
    1. a secret formula
    2. secret ingredients
    3. secret talks