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 动词]纵身；跳；跃 If you leap, you jump high in the air or jump a long distance.
[V prep/adv]
[V]
He had leapt from a window in the building and escaped...
他从大楼一个窗口跳出去跑了。
The newsreels show him leaping into the air...
新闻短片里有他跳向空中的画面。
The man threw his arms out as he leapt.
该男子张开双臂，纵身一跳。
Leap is also a noun.
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 动词]迅捷地移动 If you leap somewhere, you move there suddenly and quickly.
[V prep/adv]
The two men leaped into the jeep and roared off...
两名男子跳上吉普车，疾驰而去。
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 动词]（车辆）飞奔，疾驶 If a vehicle leaps somewhere, it moves there in a short sudden movement.
[V adv/prep]
The car leapt forward.
汽车向前飞驰。
4
[N-COUNT 可数名词]骤变；激增；飞跃 A leap is a large and important change, increase, or advance.
[oft N in n]
[JOURNALISM 新闻]
The result has been a giant leap in productivity.
其结果是生产力的大幅提高。
...the leap in the unemployed from 35,000 to 75,000...
由35,000猛增至75,000的失业人数
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 动词]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.
[V prep]
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 动词]（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.
[V]
[LITERARY 文]
My heart leaped at the sight of her.
我见到她时心都要跳出来了。
7
[VERB 动词]赶紧抓住（机会） If you leap at a chance or opportunity, you accept it quickly and eagerly.
[V at n]
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 短语]（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.
[usu PHR after v]
[emphasis]
He's improved in leaps and bounds this season...
他今季的表现一日千里。
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 短语]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.
[usu PHR after v]
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。
Once more he's making a leap into the unknown without a plan.
他再次毫无计划地乱闯。
Oxford
leap/liːp; NAmEliːp/
verb
,
noun
leapleapsleapedleaptleapingverb(leapt,leapt/lept; NAmElept/orleaped,leaped)1[intransitive , transitive ]to jump high or a long way 跳；跳跃；跳越+ adv./prep.◆A dolphin leapt out of the water.海豚跃出水面。◆We leapt over the stream.我们跳过了那条小溪。leapsth ◆The horse leapt a five-foot wall.那匹马跃过了一道五英尺高的墙。2[intransitive ]+ adv./prep.to move or do sth suddenly and quickly 猛冲；突然做（某事）◆She leapt out of bed.她突然翻身下了床。◆He leapt across the room to answer the door.他冲过房间去开门。◆I leapt to my feet(= stood up quickly).我赶紧站了起来。◆They leapt into actionimmediately. 他们立即断然采取了行动。◆( figurative) She was quick to leap to my defence(= speak in support of me).她马上挺身而出为我辩护。◆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。◆His name leapt out at me(= I saw it immediately).他的名字立刻映入了我的眼帘。3[intransitive ]leap(in sth) (from…) (to…) to increase suddenly and by a large amount 骤增；剧增；猛涨SYNshoot up◆The shares leapt in value from 476p to close at 536p.股价从 476 便士猛涨到收盘时的 536 便士。IDIOMˌlook before you ˈleap( saying) used to advise sb to think about the possible results or dangers of sth before doing it 三思而后行☞more at
conclusion
,
heart
PHRASAL VERBˈleap at sthto accept a chance or an opportunity quickly and with enthusiasm 赶紧抓住，急不可待地接受（机会）SYN
jump at
◆I leapt at the chance to go to France.我立刻抓住了去法国的机会。noun1a long or high jump 跳越；跳跃；跳高◆a leap of six metres一跳跳了六米◆She took a flying leapand landed on the other side of the stream. 她一个飞跃跳到小溪的对面。◆( figurative) His heart gave a sudden leap when he saw her.他看见她时，心猛地一跳。◆( figurative) 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。2leap(in sth) a sudden large change or increase in sth 骤变；剧增；激增◆a leap in profits利润跃升☞see also
quantum leap
IDIOMSby/in ˌleaps and ˈboundsvery quickly; in large amounts 非常迅速；飞跃地；突飞猛进；大量地◆Her health has improved in leaps and bounds.她的健康已迅速好转。a leap in the ˈdarkan action or a risk that you take without knowing anything about the activity or what the result will be 冒险举动leap/liːp; NAmEliːp/leapt/lept; NAmElept/
LDC
leap1 verb
leap2 noun
leapleap1 /liːp/ ●●○ verb (past tense and past participle leapt /lept/ especially British English, leaped especially American English)
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1jumpa)[intransitive always + adverb/preposition] to jump high into the air or to jump in order to land in a different place: She leapt over the fence. The smaller animals can easily leap from tree to tree.b)[transitive] literary to jump over something: Brenda leaped the gate and ran across the field.► see thesaurus at
jump
2move fast [intransitive always + adverb/preposition] to move very quickly and with a lot of energy: I leapt up the stairs three at a time. He leapt out of bed. She leapt to her feet (=stood up quickly) and started shouting.3increase [intransitive] to increase quickly and by a large amountOPP tumbleleap to Profits leapt to £376m. He leapt 27 places to second spot.4leap at the chance/opportunity to accept an opportunity very eagerly: I leapt at the chance of studying abroad.5leap to somebody’s defence British English, leap to somebody’s defense American English to quickly defend someone: When her younger brother was being bullied she leapt to his defence.6heart [intransitive] literary if your heart leaps, you feel a sudden surprise, happiness, or excitement: My heart leaped when I saw Paul at the airport. → look before you leap
at look1(12)
leap out at phrasal verbif a word or phrase in a piece of writing leaps out at you, you notice it particularly, because it is interesting, important etcSYN jump out at
leap1 verb
leap2 noun
leapleap2 ●●○ noun [countable]
Examples
Thesaurus
Collocations
Phrases
1a big jumpSYN bound: He threw a stick into the river and the dog went after it in a flying leap.2a large increase or changequantum/great/huge etc leap a quantum leap (=very great increase or change) in population levelsleap in a 16% leap in pre-tax profitsleap forward the huge leap forward that took place in the 1980s3by/in leaps and bounds if something increases, develops, grows etc by leaps and bounds, it does it very quickly: Lifeboat technology has advanced by leaps and bounds.4 a leap of (the) imagination (also an imaginative leap) a mental process that is needed to understand something difficult or see the connection between two very different ideas5leap in the dark something you do without knowing what will happen as a result6leap of faith something you do even though it involves a risk, hoping that it will have a good result
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