bounds

noun

1. 限制范围；极限
   the accepted or furthest limits of sth
   1. beyond/outside/within the bounds of decency
      没 / 有体统
   2. Public spending must be kept within reasonable bounds.
      公共开支必须控制在合理的范围内。
   3. It was not beyond the bounds of possibility that they would meet again one day.
      他们有一天会再度相遇，这不是没有可能。
   4. His enthusiasm knew no bounds (= was very great) .
      他有无限热情。

BE BOUND 必定

1. 
   Bound is the past tense and past participle of bind .
2. PHR-MODAL 一定会；必然会；注定会
   If you say that something is bound to happen, you mean that you are sure it will happen, because it is a natural consequence of something that is already known or exists.
   1. There are bound to be price increases next year...
      明年物价一定会上涨。
   2. If you are topless in a public place, this sort of thing is bound to happen.
      如果你在公共场所裸露上身，这种事情一定会发生。
3. PHR-MODAL （对某事并不确定或无确凿证据时，认为其）肯定会，确定是
   If you say that something is bound to happen or be true, you feel confident and certain of it, although you have no definite knowledge or evidence.
   1. I'll show it to Benjamin. He's bound to know...
      我会把它给本杰明看，他肯定会知道。
   2. We'll have more than one child, and one of them's bound to be a boy.
      我们会有不止一个孩子，而且其中一定有个男孩。
4. ADJ-GRADED （与…）紧密相连的；（与…）密切相关的；（同…）难以分开的
   If one person, thing, or situation is bound to another, they are closely associated with each other, and it is difficult for them to be separated or to escape from each other.
   1. We are as tightly bound to the people we dislike as to the people we love...
      不管是我们讨厌的人还是喜爱的人都一样和我们密切相关。
   2. Economic growth is still bound to the issues of poverty, social justice and conservation.
      经济增长仍然与贫困、社会公正和资源保护等问题紧密相连。
5. ADJ 要到…去的；驶往…的
   If a vehicle or person is bound for a particular place, they are travelling towards it.
   1. The ship was bound for Italy.
      这艘船驶向意大利。
   2. ...a Russian plane bound for Berlin.
      飞往柏林的俄罗斯飞机
   3. Bound is also a combining form.
      （亦可用于构词）
   4. ...a Texas-bound oil freighter.
      驶往得克萨斯的油轮
   5. ...homeward-bound commuters.
      下班回家的通勤者
6. PHRASE 我不得不说（令人不快或出乎意料的事）
   You can say 'I am bound to say' to introduce a statement expressing something that you find undesirable or unexpected.
   1. I'm bound to say that it seems to me this is certain to lead to violence.
      我不得不说，在我看来这肯定会引发暴力事件。
7. PHRASE 以…的形式；被容纳在…里
   If something is bound up in a particular form or place, it is fixed in that form or contained in that place.
   1. The manager of a company does not like having a large chunk of his wealth bound up in its shares...
      一家公司经理不愿意让大笔财富套在股票里。
   2. They'd have a lot of hydrogen sulfide gas bound up in their cells.
      他们的牢房里有大量的硫化氢气体。
8. PHRASE 与…密切相关的；同…难以分开的
   If one thing is bound up with or in another, they are closely connected with each other, and it is difficult to consider the two things separately.
   1. My fate was bound up with hers...
      我和她的命运紧密相连。
   2. The story of their exploration is inextricably bound up with the character of the caves themselves...
      他们的勘探经历与这些洞穴本身的特征有着不可分割的紧密联系。
   3. Their interests were completely bound up in their careers.
      他们的兴趣完全是围绕着他们的职业。
9. See also: bind over

OTHER USES 其他用法

1. N-PLURAL 界限；限制
   Bounds are limits which normally restrict what can happen or what people can do.
   1. Changes in temperature occur slowly and are constrained within relatively tight bounds.
      温度变化缓慢，而且局限在相对较小的范围内。
   2. ...a forceful personality willing to go beyond the bounds of convention.
      做事不拘常规的强硬个性
   3. ...the bounds of good taste.
      良好品味的界限
2. VERB 与…毗邻；成为…的边界
   If an area of land is bounded by something, that thing is situated around its edge.
   1. Kirgizia is bounded by Uzbekistan, Kazakhstan and Tajikistan.
      吉尔吉斯与乌兹别克斯坦、哈萨克斯坦和塔吉克斯坦接壤。
   2. ...the trees that bounded the car park.
      环绕在停车场周围的树木
   3. ...the park, bounded by two busy main roads and a huge housing estate.
      四周有两条繁忙的主干道路和一处大型住宅区的公园
3. V-PASSIVE 限制；约束
   If someone's life or situation is bounded by certain things, those are its most important aspects and it is limited or restricted by them.
   1. Our lives are bounded by work, family and television.
      我们的生活囿于工作、家庭和电视中。
4. VERB 跳跃着前进
   If a person or animal bounds in a particular direction, they move quickly with large steps or jumps.
   1. He bounded up the steps and pushed the bell of the door...
      他跳着上了台阶，按下了门铃。
   2. The dog came bounding back with the stick for Richard to throw again.
      那只狗蹦跳着叼回了木棍，交给理查德让他再扔出去。
5. N-COUNT 蹦跳；跳跃
   A bound is a long or high jump.
   1. She leaps in one bound onto her pony's back for a speedy canter around the ring...
      她纵身一跃骑上了马背，绕着场地策马慢跑。
   2. With one bound Jack was free.
      杰克纵身一跃就脱身了。
6. VERB （数量）飞快增长；（表现）迅速改进
   If the quantity or performance of something bounds ahead, it increases or improves quickly and suddenly.
   1. The shares bounded ahead a further 11p to 311p...
      股票价格又急涨了11便士，攀至311便士。
   2. The economy isn't bounding back as fast as people expected.
      经济并未像人们期望的那样迅速复苏。
7. PHRASE 无限；无止境；很强烈
   If you say that a feeling or quality knows no bounds, you are emphasizing that it is very strong or intense.
   1. The passion of Argentinian football fans knows no bounds.
      阿根廷足球迷极为热情。
8. PHRASE （某地）禁止进入
   If a place is out of bounds, people are not allowed to go there.
   1. For the last few days the area has been out of bounds to foreign journalists.
      最近几天该地区禁止外国记者进入。
9. PHRASE (某事物）被禁止
   If something is out of bounds, people are not allowed to do it, use it, see it, or know about it.
   1. American parents may soon be able to rule violent TV programmes out of bounds.
      美国的家长可能很快就会迫使含有暴力内容的电视节目遭禁播。
10. See also: leaps and bounds

1. Changes in temperature occur slowly and are constrained within relatively tight bounds.
   温度变化缓慢，而且局限在相对较小的范围内。
2. The passion of Argentinian football fans knows no bounds.
   阿根廷足球迷极为热情。
3. For the last few days the area has been out of bounds to foreign journalists.
   最近几天该地区禁止外国记者进入。
4. American parents may soon be able to rule violent TV programmes out of bounds.
   美国的家长可能很快就会迫使含有暴力内容的电视节目遭禁播。
5. He's improved in leaps and bounds this season
   他今季的表现一日千里。
6. The total number of species on the planet appears to be growing by leaps and bounds.
   地球上的物种数目似乎正飞速增长。
7. Tom's love affair with France and most things French knew no bounds.
   汤姆对法国和大多数法国东西都无比热爱。
8. In male company, perhaps he did overstep the bounds of propriety.
   在清一色男性的公司里，可能他的举止确实有失得体。
9. His story-telling can push the bounds of probability a bit far at times.
   他讲故事的时候，不时会有些夸大。
10. Unfettered by the bounds of reality, my imagination flourished.
    跳出现实的束缚，我的想象力天马行空。
11. The vitriol he hurled at members of the press knew no bounds
    他对媒体的尖刻抨击没完没了。
12. People's joy knew no bounds when the news of victory arrived.
    胜利捷报传来，人人欣喜若狂。
13. He went beyond the bounds of reason in those days.
    他那时候太狂妄了。
14. Their business has grown by leaps and bounds.
    他们的生意突飞猛进。
15. Knowledge knows no bounds.
    知识是没有穷尽的。
16. Their avarice knows no bounds; you can never satisfy them.
    他们贪得无厌，你永远无法满足他们。
17. Swedish industrial front is developing by leaps and bounds in the late years.
    瑞典的工业近年来出现了跃进的局面。
18. Swedish industry has of late years grown with leaps and bounds.
    瑞典的工业近年来飞跃增长。
19. Socialist construction is going ahead by leaps and bounds in our country.
    我国社会主义建设事业突飞猛进。
20. The electronics industry is developing by leaps and bounds.
    电子工业出现了跃进的局面。
21. It is beyond the bounds of human knowledge.
    这已超出人类知识的范围。
22. What he did went beyond the bounds of law.
    他的所作所为已超出了法律允许的范围。
23. When old comrades-in-arms meet, their happiness knows no bounds.
    老战友欢聚一堂，其乐融融。
24. His greed for power knows no bounds.
    他的权力欲是无止境的。
25. IT industry is developing by leaps and bounds.
    it产业正在飞跃发展。
26. The king maintained order within the bounds of his realm.
    国王在其王国的疆界之内维持着秩序。
27. Jill's making excellent progress; she's coming along in leaps and bounds.
    吉尔进步很快，她正飞快地赶上。
28. The ball bounced out of bounds.
    球弹到了界外。
29. This place is out of bounds to students and troops.
    这个地方禁止学生和军人入内。
30. You must keep your spending within bounds.
    你花钱一定要有个限度。

  extent area bounds breadth【导航词义：范围】

  extent n. 范围，程度

〔辨析〕指事物的大小、面积、范围或重要性、严重性等的程度。

  area n. 范围，领域

〔辨析〕指学科、话题、事件等涉及的范围。

  bounds n. 范围，界限

〔辨析〕指事情的极限或可以接受的范围，常用于比喻。

  breadth n. 广度，范围

〔辨析〕多指事物的宽度或范围，强调广泛性。

n.

out of bounds

• 出界；界外
  outside the area of play which is allowed
  1. His shot went out of bounds.
     他的球出界了。
• 不合理的；令人无法接受的
  not reasonable or acceptable
  1. His demands were out of bounds.
     他的要求不合理。

out of bounds (to/for sb)

• 不准进入；禁止入内
  if a place is out of bounds , people are not allowed to go there

by/in leaps and bounds

• 非常迅速；飞跃地；突飞猛进；大量地
  very quickly; in large amounts
  1. Her health has improved in leaps and bounds.
     她的健康已迅速好转。

noun

1. the line or plane indicating the limit or extent of something

   Synonym:    boundarybound