leap

verb

1. 跳；跳跃；跳越
   to jump high or a long way
   1. A dolphin leapt out of the water.
      海豚跃出水面。
   2. We leapt over the stream.
      我们跳过了那条小溪。
   3. The horse leapt a five-foot wall.
      那匹马跃过了一道五英尺高的墙。
2. 猛冲；突然做（某事）
   to move or do sth suddenly and quickly
   1. She leapt out of bed.
      她突然翻身下了床。
   2. He leapt across the room to answer the door.
      他冲过房间去开门。
   3. I leapt to my feet (= stood up quickly) .
      我赶紧站了起来。
   4. They leapt into action immediately.
      他们立即断然采取了行动。
   5. She was quick to leap to my defence (= speak in support of me) .
      她马上挺身而出为我辩护。
   6. The photo seemed to leap off the page (= it got your attention immediately) .
      那张照片跃然纸上，引人注目。
   7. His name leapt out at me (= I saw it immediately) .
      他的名字一下引起了我的注意。
3. 骤增；剧增；猛涨
   to increase suddenly and by a large amount
   1. Shares leapt in value from 476p to close at 536p.
      股价从476便士猛涨到收盘536便士。

noun

1. 跳越；跳跃；跳高
   a long or high jump
   1. a leap of six metres
      一跳跳了六米
   2. She took a flying leap and landed on the other side of the stream.
      她一个飞跃跳到小溪的对面。
   3. His heart gave a sudden leap when he saw her.
      他看见她时，心猛地一跳。
   4. Few people successfully make the leap from television to the movies.
      从电视业转向电影业很少有人成功。
2. 骤变；剧增；激增
   a sudden large change or increase in sth
   1. a leap in profits
      利润跃升

British English usually uses the form leapt as the past tense and past participle. American English usually uses leaped. 英国英语通常用leapt作过去式和过去分词，美国英语则通常用leaped。


1. VERB 纵身；跳；跃
   If you leap, you jump high in the air or jump a long distance.
   1. He had leapt from a window in the building and escaped...
      他从大楼一个窗口跳出去跑了。
   2. The newsreels show him leaping into the air...
      新闻短片里有他跳向空中的画面。
   3. The man threw his arms out as he leapt.
      该男子张开双臂，纵身一跳。
   4. Leap is also a noun.
      
   5. Smith took Britain's fifth medal of the championships with a leap of 2.37 metres.
      史密斯跳出2.37米的成绩，为英国夺得锦标赛的第5枚奖牌。
2. VERB 迅捷地移动
   If you leap somewhere, you move there suddenly and quickly.
   1. The two men leaped into the jeep and roared off...
      两名男子跳上吉普车，疾驰而去。
   2. With a terrible howl, he leapt forward and threw himself into the water.
      他狂吼一声，向前猛冲，纵身跳进水中。
3. VERB （车辆）飞奔，疾驶
   If a vehicle leaps somewhere, it moves there in a short sudden movement.
   1. The car leapt forward.
      汽车向前飞驰。
4. N-COUNT 骤变；激增；飞跃
   A leap is a large and important change, increase, or advance.
   1. The result has been a giant leap in productivity.
      其结果是生产力的大幅提高。
   2. ...the leap in the unemployed from 35,000 to 75,000...
      由35,000猛增至75,000的失业人数
   3. Contemporary art has taken a huge leap forward in the last five or six years.
      当代艺术在过去五六年间突飞猛进。
5. VERB 骤变；激增；飞跃
   If you leap to a particular place or position, you make a large and important change, increase, or advance.
   1. Warwicks leap to third in the table, 31 points behind leaders Essex.
      沃里克队在排名中蹿升至第3名，落后领先的埃塞克斯队31分。
6. VERB （因吃惊、害怕、高兴等心脏）猛地跳动
   If you say that your heart leaps, you mean that you experience a sudden, very strong feeling of surprise, fear, or happiness.
   1. My heart leaped at the sight of her.
      我见到她时心都要跳出来了。
7. VERB 赶紧抓住（机会）
   If you leap at a chance or opportunity, you accept it quickly and eagerly.
   1. The post of principal of the theatre school became vacant and he leapt at the chance.
      戏剧学校校长一职出缺，他马上抓住了这个机会。
8. PHRASE （改善或增长）非常迅速地，飞跃地
   You can use in leaps and bounds or by leaps and bounds to emphasize that someone or something is improving or increasing quickly and greatly.
   1. He's improved in leaps and bounds this season...
      他今季的表现一日千里。
   2. 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。
9. PHRASE 冒险举动；瞎闯
   If you take a leap in the dark or a leap into the unknown, you do something without having any previous experience in that activity or knowledge of it.
   1. Prudent people are not going to take a leap in the dark...
      小心谨慎的人是不会轻易冒险的。
   2. Once more he's making a leap into the unknown without a plan.
      他再次毫无计划地乱闯。

1. Do not leap headlong into decisions
   不要轻率地作决定。
2. He had leapt from a window in the building and escaped
   他从大楼一个窗口跳出去跑了。
3. The newsreels show him leaping into the air
   新闻短片里有他跳向空中的画面。
4. The man threw his arms out as he leapt.
   该男子张开双臂，纵身一跳。
5. The two men leaped into the jeep and roared off
   两名男子跳上吉普车，疾驰而去。
6. With a terrible howl, he leapt forward and threw himself into the water.
   他狂吼一声，向前猛冲，纵身跳进水中。
7. The car leapt forward.
   汽车向前飞驰。
8. The result has been a giant leap in productivity.
   其结果是生产力的大幅提高。
9. Contemporary art has taken a huge leap forward in the last five or six years.
   当代艺术在过去五六年间突飞猛进。
10. Warwicks leap to third in the table, 31 points behind leaders Essex.
    沃里克队在排名中蹿升至第3名，落后领先的埃塞克斯队31分。
11. My heart leaped at the sight of her.
    我见到她时心都要跳出来了。
12. The post of principal of the theatre school became vacant and he leapt at the chance.
    戏剧学校校长一职出缺，他马上抓住了这个机会。
13. He's improved in leaps and bounds this season
    他今季的表现一日千里。
14. 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。
15. Prudent people are not going to take a leap in the dark
    小心谨慎的人是不会轻易冒险的。
16. Once more he's making a leap into the unknown without a plan.
    他再次毫无计划地乱闯。
17. Take a leap of faith and trust them.
    你就放胆一试，选择信他们吧。
18. The press corps was primed to leap to the defense of the fired officials.
    记者团获知信息后，立即声援被解雇官员。
19. The vaccine represents a quantum leap in healthcare
    这种疫苗的问世是医疗保健领域的重大突破。
20. The scale of migration took a quantum leap in the early 1970s.
    20世纪70年代初，移民的规模骤然扩大。
21. The share price is likely to leap upwards.
    该股票价格可能会猛涨。
22. “ Look before you leap ” is a familiar expression.
    三思而行是一个很通俗的说法。
23. As I look back, scenes of the past leap before my eyes.
    追忆往事，历历在目。
24. In the last few years, this art has made a big leap.
    近几年来，这一艺术有了新的跃进。
25. Flames sprang up to heaven.; Flames leap to the sky.; The flames lit up the sky.
    火光冲天。
26. Look before you leap. Don't be so foolhardy.
    做事要瞻前顾后，不要这样鲁莽。
27. He gave a leap and landed himself on the saddle of the horse.
    他身子一纵，就跨上了马。
28. The boy cleared the fence in one leap.
    男孩一跃跳过了篱笆。
29. Those memories accumulated in the past three years seem to leap up vividly by the eyes.
    三年来所积淀的往事历历在目。
30. He crossed the brook in one leap.
    他一个纵步跳过了小溪。

  jump leap spring【导航词义：跳】

  jump v. 跳，跳跃

〔辨析〕普通用词，指用双脚向上、向下跳，或跳到、跳过一定距离外的某一点。

  leap v. 跳跃，跃过

〔辨析〕常可与 jump 换用，但侧重表示身体猛力向上跃起并朝前急冲的动作，有时含突然之意。

  spring v. 跳，蹦，跃起

〔辨析〕指凭借很强的弹跳力突然而快速地跳跃。

leap at sth

1. 赶紧抓住，急不可待地接受（机会）
   to accept a chance or an opportunity quickly and with enthusiasm
   1. A dolphin leapt out of the water.
      海豚跃出水面。
   2. We leapt over the stream.
      我们跳过了那条小溪。
   3. The horse leapt a five-foot wall.
      那匹马跃过了一道五英尺高的墙。

v.

look before you leap

• 三思而后行
  used to advise sb to think about the possible results or dangers of sth before doing it

jump/leap to conclusions

jump/leap to the conclusion that…

• 匆忙下结论；贸然断定
  to make a decision about sb/sth too quickly, before you know or have thought about all the facts
  1. There I go again─jumping to conclusions.
     我又犯老毛病了，冒冒失失地就下结论。

sb's heart leaps

• 心花怒放
  used to say that sb has a sudden feeling of happiness or excitement

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。

a leap in the dark

• （未了解情况就采取的）冒险举动
  an action or a risk that you take without knowing anything about the activity or what the result will be

noun

1. a light, self-propelled movement upwards or forwards

   Synonym:    leapingspringsaltationboundbounce

2. the distance leaped (or to be leaped)
   1. a leap of 10 feet

3. an abrupt transition
   1. a successful leap from college to the major leagues

   Synonym:    jumpsaltation

4. a sudden and decisive increase
   1. a jump in attendance

   Synonym:    jump

verb

1. pass abruptly from one state or topic to another
   1. leap into fame
   2. jump to a conclusion
   3. jump from one thing to another

   Synonym:    jump

2. 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:    jumpboundspring

3. cause to jump or leap
   1. the trainer jumped the tiger through the hoop

   Synonym:    jump

4. jump down from an elevated point
   1. the parachutist didn't want to jump
   2. every year, hundreds of people jump off the Golden Gate bridge
   3. the widow leapt into the funeral pyre

   Synonym:    jumpjump off