bound

adj.

1. 一定会；很可能会
   certain or likely to happen, or to do or be sth
   1. There are bound to be changes when the new system is introduced.
      引进新系统后一定会发生变化。
   2. It's bound to be sunny again tomorrow.
      明天肯定又是阳光灿烂。
   3. You've done so much work─you're bound to pass the exam.
      你下了这么大工夫，考试绝对没问题。
   4. It was bound to happen sooner or later (= we should have expected it) .
      这事迟早都是要发生的。
   5. You're bound to be nervous the first time (= it's easy to understand) .
      第一次总是会紧张的。
2. 受（法律、义务或情况）约束（必须做某事）；有义务（做某事）
   forced to do sth by law, duty or a particular situation
   1. We are not bound by the decision.
      我们不受该决定的约束。
   2. You are bound by the contract to pay before the end of the month.
      按照合同规定，你必须在月底前付款。
   3. I am bound to say I disagree with you on this point.
      我觉得有必要指出，在这一点上我不同意你的观点。
3. 因…受阻（或不能正常工作）
   prevented from going somewhere or from working normally by the conditions mentioned
   1. Strike-bound travellers face long delays.
      因罢工滞留的旅客要耽搁很长时间。
   2. fogbound airports
      因雾不能正常作业的机场
4. 正旅行去（某地）；准备前往（某地）
   travelling, or ready to travel, in a particular direction or to a particular place
   1. homeward bound (= going home)
      在回家途中
   2. a plane bound for Dublin
      开往都柏林的飞机
   3. Paris-bound
      前往巴黎的
   4. northbound/southbound/eastbound/westbound
      向北 / 向南 / 向东 / 向西行进的

verb

1. 跳跃着跑
   to run with long steps, especially in an enthusiastic way
   1. The dogs bounded ahead.
      那些狗在前面蹦蹦跳跳地跑。
2. 形成…的边界（或界限）
   to form the edge or limit of an area
   1. The field was bounded on the left by a wood.
      那片地左边依傍着一片树林。

noun

1. 蹦跳；跳跃
   a high or long jump

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. I boarded the plane bound for England.
   我登上了飞往英格兰的飞机。
2. There are bound to be price increases next year
   明年物价一定会上涨。
3. 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。
4. 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。
5. 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。
6. 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。
7. 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。
8. The ship was bound for Italy.
   这艘船驶向意大利。
9. 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。
10. 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。
11. 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。
12. My fate was bound up with hers
    我和她的命运紧密相连。
13. 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。
14. 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。
15. 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。
16. 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。
17. Our lives are bounded by work, family and television.
    我们的生活囿于工作、家庭和电视中。
18. He bounded up the steps and pushed the bell of the door
    他跳着上了台阶，按下了门铃。
19. 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。
20. 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。
21. With one bound Jack was free.
    杰克纵身一跃就脱身了。
22. 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。
23. 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。
24. The passion of Argentinian football fans knows no bounds.
    阿根廷足球迷极为热情。
25. 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。
26. 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。
27. I felt duty bound to help.
    我觉得我有责任帮上一把。
28. I'd be homeward bound even before Grant arrived
    我会在格兰特到来之前就已经启程回家了。
29. Neutrons and protons are bound together in the nucleus of an atom.
    在原子核里，中子和质子是结合在一起的。
30. There's no chance that he'll surface because he's bound to have heard by now
    他不会再出现了，因为他现在肯定听说了。

adj.

be bound up in sth

• 忙于某事；热衷于某事
  very busy with sth; very interested or involved in sth
  1. He's too bound up in his work to have much time for his children.
     他工作太忙，没有很多时间陪孩子。

bound and determined

• 矢志不渝；下定决心
  very determined to do sth

be bound together by/in sth

• 因…（或在…方面）密切联系
  to be closely connected
  1. communities bound together by customs and traditions
     因习俗和传统而结合在一起的社区

bound up with sth

• 和某事物密切相关
  closely connected with sth
  1. From that moment my life became inextricably bound up with hers.
     从那一刻起，我的生命就和她结下不解之缘。

I'll be bound

• 我敢肯定
  I feel sure

(feel) honour bound to do sth

• （感到）道义上应做某事
  to feel that you must do sth because of your sense of moral duty
  1. She felt honour bound to attend as she had promised to.
     她觉得答应过了就应该出席。

n.

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. a light, self-propelled movement upwards or forwards

   Synonym:    leapleapingspringsaltationbounce

2. the greatest possible degree of something
   1. what he did was beyond the bounds of acceptable behavior
   2. to the limit of his ability

   Synonym:    limitboundary

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

   Synonym:    boundarybounds

4. a line determining the limits of an area

   Synonym:    boundaryedge

verb

1. place limits on (extent or access)
   1. restrict the use of this parking lot
   2. limit the time you can spend with your friends

   Synonym:    restrictrestraintrammellimitconfinethrottle

2. spring back
   1. The rubber ball bounced
   2. These particles do not resile but they unite after they collide

   Synonym:    bounceresiletake a hopspringreboundrecoilreverberatericochet

3. move forward by leaps and bounds
   1. The horse bounded across the meadow
   2. The child leapt across the puddle
   3. Can you jump over the fence?

   Synonym:    jumpleapspring

4. form the boundary of

   Synonym:    border

adj

1. confined by bonds
   1. bound and gagged hostages

2. secured with a cover or binding
   1. bound volumes
   2. leather-bound volumes

3. held with another element, substance or material in chemical or physical union

4. bound by contract

   Synonym:    apprenticedarticledindentured

5. headed or intending to head in a certain direction
   1. children bound for school
   2. a flight destined for New York

   Synonym:    destined

6. covered or wrapped with a bandage
   1. the bandaged wound on the back of his head
   2. an injury bound in fresh gauze

   Synonym:    bandaged

7. bound by an oath
   1. a bound official