v (1)跳，躍(move quickly off the ground with a springing movement)[I，I+prep，I+adv，I+n+prep]：How high can you～? 你能跳多高?～clear of a car/across a puddle/into the air/into a taxi/off a roof/onto the ground/over a wall/through a window/to one's feet 跳著躲開(kāi)汽車/越過(guò)小水坑/高高跳起/跳進(jìn)出租車/跳下屋頂/跳至地面/跳過(guò)墻/越過(guò)窗戶/一躍而起;～up and down/up to catch a ball 跳上跳下/跳起接球;Tom can～1.30 metres. 湯姆能跳起1.3米?！纪絣eap，spring，pitch，bound;
?(2)跳(躍)過(guò)(go or pass over sth by jumping)[T+n]：～a fence/stream/railing/curb 跳過(guò)籬笆/小溪/欄桿/路緣;～a horse over a fence 縱馬越過(guò)籬笆;～the lights 闖紅燈;
?(3)驚(猛)跳(make a startled movement)[I]：The noise/bang made her～.那聲音/巨響嚇了她一跳。Mary's heart～ed when she heard the news. 聽(tīng)到那消息瑪麗的心猛地一跳。〖同〗start;
?(4)暴漲，激增(rise or increase suddenly by a large amount)[I，I+n+prep(by)]：The price of coffee/shares～ed last month. 上個(gè)月咖啡/股票的價(jià)格暴漲。Profits～ed from $3.5 million to $20 million in a year.一年中利潤(rùn)從350萬(wàn)激增至2000萬(wàn)美元。The prices of fish～ed ten pence in one week.一周內(nèi)魚(yú)的價(jià)格漲了10便士。Prices～ed by 40% last month. 上個(gè)月價(jià)錢暴漲40%?！纪絪kyrocket;
?(5)跳(隔)過(guò)，略去(change suddenly from one point to another;omit or skip in between)[I+prep(from，to)，I+to-inf，T+n]：～from one topic/subject to the next (another) 突然從一個(gè)話題/題目跳到下一個(gè)(另一個(gè))話題/題目;～several steps in an argument/quite a few chapters in the book 論證跳越幾個(gè)階段/跳過(guò)書中一些章節(jié);～the queue 插隊(duì);夾塞;〖同〗pass，switch;
?(6)突然襲擊(attack suddenly)[T+n](infml)：The mob～ed an old man on the subway. 那伙壞蛋在地鐵襲擊一老人?！纪絘ttack;
?(7)扒車(travel on a train without paying)[T+n](infml)(通常 AmE)：～a freight train 扒貨車;
?(8)跳離正常位置((of a device) go suddenly，esp out of its correct position)[I，I+prep，I+adv]：a typewriter that～s 一臺(tái)愛(ài)跳鍵的打字機(jī);
?jump down sb's throat 對(duì)……大為生氣，氣惱地和人說(shuō)話：The teacher～ed down Billy's throat when Billy said he did not do his homework. 當(dāng)比利說(shuō)他沒(méi)寫作業(yè)時(shí)，老師非常生氣。
?jump the gun 搶先起跑： The runners were called back because one of them～ed the gun. 賽跑者被叫了回來(lái)，因?yàn)樗麄冎杏幸蝗藫屌芰恕?br>?jump out of one's skin 大吃一驚：The door slammed with such a bang that I nearly～ed out of my skin. 門如此砰地猛然關(guān)上，使我大吃一驚。
?jump to conclusion 匆忙下結(jié)論，立即認(rèn)為： Don't～to conclusion，Rob. How do you know?鮑勃，不要匆忙下結(jié)論，你是如何知道的?
?jump to it 趕快：If you don't～to it you will miss the train. 要是你不快些，會(huì)誤火車的。
?jump at (v prep) 急切地抓住(機(jī)會(huì))(vt)：～at the chance 抓住機(jī)會(huì);
?jump on (v adv)(infml)責(zé)罵，嚴(yán)厲批評(píng)(vt)：Mary～s on Tom every time when he makes the slightest mistake. 只要湯姆出點(diǎn)小錯(cuò)瑪麗就斥責(zé)他。
?→′jumped-up adj 自大的;′jump-jet n 垂直起降噴氣機(jī);′jump-leads n(汽車)跨接電纜線;′jump-off n(賽馬)平分決勝;′jump-start v & n(汽車)助推起動(dòng);
?n (1)跳，躍(act of jumping)[C]：a fine/superb～優(yōu)美/絕妙的一跳;a～of 8 feet 八英尺的一跳;the long/high～跳遠(yuǎn)/高;the hop，step and～三級(jí)跳;get to one's feet with a～一躍而起;make 145～s in a minute 一分鐘跳145次;〖同〗bound，leap，spring;
?(2)需跨越的障礙(obstacle to be jumped over)[C]：water～(障礙賽馬中的)水溝障礙;The horse cleared all the～s. 馬跨過(guò)了所有障礙。〖同〗obstacle，barrier;
?(3)驚跳，嚇一跳(startled movement)[C]：give sb a～使某人嚇一跳;She gave a～when the door suddenly banged shut. 突然間門砰的一聲關(guān)上了，她嚇了一跳。the～s (infml)：心驚膽戰(zhàn)，驚悸不安;get the～on sb(infml)占優(yōu)勢(shì)，勝過(guò);keep(be，stay，etc) one～ahead(of sb)(比……)超前(搶先)一步;
?(4)暴漲，激增(sudden rise in amount，price，quality or value)[C] [N(on)]：a～in car export/the price of food 汽車出口猛增/食品價(jià)格暴漲;a considerable/big～in sales/the number of the unemployed 銷售量/失業(yè)者人數(shù)驟增;
?→′jumpy adj 跳躍的;焦慮不安的;′jumpily adv 跳躍地;焦慮不安地;′jumpiness n 跳躍;焦慮不安;
?【辨異】jump與bounce、leap和spring的區(qū)別見(jiàn)BOUNCE。