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IELTS BNC: 2471 COCA: 2240

knife

Word family 
Related topics: Daily life, Utensils
ldoce_187_fknife1 /naɪf/ ●●● S3 W3 noun (plural knives /naɪvz/) [countableC]  
1  DDFUa metal blade fixed into a handle, used for cutting or as a weapon 刀 → scalpel
 a knife and fork
一副刀叉
 Some young people are carrying knives to defend themselves.
一些年轻人带着刀子防身。
 a kitchen knife
厨房用刀
 Use a sharp knife to cut the melon into sections.
用快刀把瓜切成块。
→ carving knife, flick knife, palette knife, paper knife, penknife →5  See picture of carving knife 切肉刀, kitchen knife 厨用刀, palette knife 调色刀 ... →4  See picture of 见图 MULTIPURPOSE
2  the knives are out (for somebody) informalUNFRIENDLY used to say that people are being extremely unfriendly in criticizing someone (对某人)剑拔弩张，兴师问罪
 The knives are out for the vice president.
要对副总统兴师问罪了。
Examples from the Corpus
the knives are out (for somebody)• The service is in ferment at the moment, the knives are out.
3. twist/turn the knife (in the wound) UPSETto say something that makes someone more upset about a subject they are already unhappy about 火上浇油，落井下石
Examples from the Corpus
twist/turn the knife (in the wound)• Saints twisted the knife with a glorious try from Tony Sullivan, set up by Gary Connolly.• The tragedy is that you have to twist the knife in your own gray matter to make this defense work.
4. stick/put etc the knife in/into someone British EnglishBrE informalUNFRIENDLY to dislike someone and be very unfriendly towards them 对某人怀恨在心，对某人极不友好
5. under the knife informalCURE having a medical operation 接受手术
Examples from the Corpus
under the knife• Every attack was accompanied by the certain knowledge that within a couple of hours I'd be under the knife.• Again and again he goes under the knife.• Bet you didn't know Northern Ireland star Michael Hughes was under the knife several weeks ago?• Ards went under the knife last night.
6. you could cut the atmosphere/air/tension with a knife used to say that you felt the people in a room were angry with each other 〔感觉到屋内的人相互间〕气氛很不友好，使人透不过气来
7. like a (hot) knife through butter informal used to say that something happens or is done very easily, without any problems 轻而易举地
Examples from the Corpus
like a (hot) knife through butter• Lori seemed to go through men like a knife through butter.
n COLLOCATIONS
ADJECTIVES/NOUN + knife
sharp
Be careful using that knife - it's very sharp.
blunt (=not sharp)
The knife was so blunt it wouldn't cut anything.
a bread knife
Will you pass me the bread knife?
a kitchen knife (=a long knife used for cutting vegetables etc)
Every chef has his own set of kitchen knives.
a carving knife (=for cutting meat)
Dad always used to sharpen the carving knife.
a pocket knife (=a small knife that you carry with you)
He was armed with nothing but a pocket knife.
knife + NOUN
a knife wound
She died from a single knife wound.
a knife attack
He was sentenced to 9 years in prison for a knife attack.
knife crime (=crimes in which people are attacked with knives)
Knife crime is on the increase.
phrases
the blade of a knife
The blade of the knife cut cleanly through the rope.
the handle of a knife
His hand reached down to the handle of his knife.
verbs
carry a knife (=have it with you)
The campaign warns young people about the dangers of carrying knives.
be armed with a knife (=have it with you)
One of the men was armed with a knife.
hold a knife
In his hand, he held a long knife.
threaten somebody with a knife
The girls were threatened with a knife.
brandish/wield a knife (=wave it around in a threatening way)
A man brandishing a knife burst into the room.
sharpen a knife (=make it sharper)
What's the best way to sharpen a knife?
Examples from the Corpus
knife• The dark figure turns out to be a No. 3 male and the shiny object is a knife.• Use a knife to a criss-cross pattern through the fruit, but not through the skin.• She was working as a petrol station cashier when armed robbers threatened her with a knife during a raid.• Men fought with bottles and knives, and with guns within easy reach.• A particular knife perhaps, or some other essential-at-the-time utensil?• When her husband was fast asleep she must leave the bed, light the lamp, and get the knife.• Cleaning the inner brushes of the machine was a time-consuming affair if grease was left on the knives.
knife2 verb [transitiveT]  
INJUREto put a knife into someone’s body 用刀刺〔某人〕 SYN stab
 She had been knifed to death.
她被人用刀刺死了。
—knifing noun [countableC]
Examples from the Corpus
knife• An electricity pylon was knocked over and one person was knifed.• Deirdre's knifed beside the sour canal..• One was a stabbing spree in which 12 cabdrivers got knifed in one week by a lone assailant.• When they met a few days later in Benghazi they quarrelled and the Zliten boy knifed the Zuwayi in the arm.• A spontaneous shiver of delight knifed through Mattie.• It is believed she was knifed to death.
knifed to death• It is believed she was knifed to death.• She had been knifed to death.• The jury heard how a social worker was horrifically knifed to death on a late-night train.
Origin knife1
Old English cnif
knife1 noun →n COLLOCATIONS1knife2 verb
LDOCE Online
Chinese
Corpus

See also: ldoce4314jpg

IELTS BNC: 2471 COCA: 2240
knife

noun¹

 1tool for cutting切割工具ADJECTIVE | ... OF KNIVES | VERB + KNIFE | KNIFE + VERB | KNIFE + NOUN | PREPOSITION | PHRASES ADJECTIVE➤blunt, dull (especially NAmE) 鈍刀▸➤sharp鋒利的刀➤serrated鋸齒刀▸➤long長刀➤small小刀➤four-inch, six-inch, etc. * 4 英寸長、6 英寸長等的刀➤rusty生銹的刀➤electric電熱刀▸➤➤plastic, silver, steel塑料刀；銀製刀；鋼刀➤kitchen, table菜刀；餐刀➤bread, butter, fish, steak切麪包刀；塗黃油用刀；食魚用刀；牛排餐刀▸➤butcher, butcher's, chef's屠刀；廚師用刀➤carving, paring (especially NAmE) 切（熟）肉刀；削皮刀➤pocket, Swiss army™小摺刀；瑞士軍刀➤bowie, hunting, sheath (especially BrE) 鮑伊獵刀；獵刀；帶鞘的刀➤butterfly, flick (BrE) 蝴蝶刀；彈簧刀➤Stanley™, utility (NAmE) 史丹利刀；多用途刀➤craft, X-acto™ (NAmE) 工藝刀；美工刀➤palette調色刀➤putty (NAmE) 油灰刀... OF KNIVES➤set一套刀具◇a set of kitchen knives一套菜刀VERB + KNIFE➤pick up拿起刀◇She picked up her knife and fork and started to eat.她拿起刀叉吃了起來。➤lay down, put down放下刀▸➤use用刀◇Use a sharp knife to cut away the spare dough.用鋒利的刀切掉多餘的麪團。➤sharpen磨刀▸➤hold握刀KNIFE + VERB➤cut, slice刀切；刀切片◇That knife doesn't cut very well－it needs sharpening.那把刀切東西不太快了，需要磨一磨。➤clatter刀噹啷作響KNIFE + NOUN➤blade, handle刀刃；刀柄➤block, holder刀架；刀座➤sharpener磨刀器具PREPOSITION➤with a/the knife用刀◇The lines can be cut with a craft knife.可以用裁紙刀裁出輪廓。PHRASES➤the blade of a knife, the handle of a knife刀刃；刀把▸➤go under the surgeon's knife (especially BrE) 接受手術◇He is to go under the surgeon's knife (= have surgery) again on Thursday.星期四他要再次手術。➤a knife and fork一副刀叉
knife

noun²

 2used as a weapon武器ADJECTIVE | VERB + KNIFE | KNIFE + VERB | KNIFE + NOUN | PREPOSITION | PHRASES ADJECTIVE➤long, sharp長刀；利刀➤combat (especially NAmE) 戰刀VERB + KNIFE➤be armed with, carry, have持刀；帶刀；有刀◇She carries a knife in her bag now.她現在包裏裝着刀子。➤brandish, point, wave, wield揮動刀；用刀指着；揮舞刀◇She pointed her knife at Richard.她把刀指向理查德。◇He waved his knife in her face threateningly.他在她面前揮刀威脅。➤draw, draw out, produce, pull, pull out, take out, whip out拔刀；拔出刀；亮出刀；抽出刀◇He suddenly pulled a knife on me.他突然掏出刀子衝着我。◇She suddenly produced a knife from her pocket and started brandishing it.她突然從口袋裏掏出一把刀揮舞起來。➤come at sb with, stab sb with, threaten sb with持刀逼近某人；用刀刺某人；持刀威脅某人◇She stabbed him in the back with a 12-inch knife.她用一把 12 英寸長的刀刺進他的後背。➤plunge, press, push, put, stick, thrust, twist (often figurative) 把刀插入；持刀抵住；用刀捅向；用刀戳；傷口上撒鹽◇He plunged the knife deep into her heart.他把刀直插進她的心臟。◇He pressed the knife tighter against her throat.他把抵在她喉部的刀壓得更緊了。◇Just to twist the knife (= cause additional suffering, tension, etc.), the filmmakers have provided a surprise ending.為了更加悲情，電影製作者早已準備好了一個令人吃驚的結局。➤sharpen, whet磨刀KNIFE + VERB➤cut sth, pierce sth, slash sth, slice sth, slice through sth刀切⋯；刀刺穿⋯；刀猛砍⋯；刀把⋯切成片；刀切穿⋯◇She cried out in pain as the knife slashed her arm.刀砍到她胳膊時她痛苦地大叫了起來。◇She felt a knife slice her wrist open.她感覺到一把刀切開了自己的手腕。➤protrude刀伸出◇He was slumped over his desk with a knife protruding from his back.他趴倒在書桌上，背上插着一把刀。KNIFE + NOUN➤attack, fight持刀襲擊／鬥毆◇a frenzied knife attack亂刀襲擊◇He and his gang had a knife fight one night.一天夜裏，他和他的團夥經歷了一場持刀混戰。➤cut, wound刀口；刀傷▸➤blade刀刃PREPOSITION➤with a/the knife用刀PHRASES➤the blade of a knife, the hilt of a knife刀刃；刀柄➤hold a knife against sb's throat, hold a knife at sb's throat, hold a knife to sb's throat, put a knife to sb's throat用刀抵住某人的喉嚨；把刀架在某人脖子上◇She put the knife to his throat to frighten him into silence.她用刀抵住他的喉嚨，威脅他不要出聲。➤a knife in sb's heart (figurative) 讓某人傷心的話◇Each word he uttered was a knife in her heart.他說的每個字都讓她心如刀割。
IELTS BNC: 2471 COCA: 2240
knife

noun

knife ♦︎ blade ♦︎ dagger ♦︎ scalpel ♦︎ machete ♦︎ cleaver ♦︎ switchblade ♦︎ penknifeThese are all words for tools that have a sharp edge or edges for cutting. 这些词均表示用来切割的刀。PATTERNS AND COLLOCATIONS 句型和搭配◆with a knife / blade / dagger / scalpel / machete / cleaver / switchblade / penknife◆a sharp knife / blade / dagger / penknife◆a blunt knife / penknife◆a long / short knife / blade / dagger◆to hold / use / pick up / put down a knife / blade / dagger / scalpel / machete / cleaver / switchblade / penknife◆to cut sth with a knife / blade / scalpel / machete / penknife◆to stab sb / sth with a knife / blade / dagger◆to chop sth with a knife / machete / cleaver◆to slash sb / sth with a knife / blade / machete◆a knife / blade / dagger / scalpel / machete / penknife cuts sth■ knife (plural knives) [countable] a sharp blade with a handle, used for cutting or as a weapon 刀（用作切割工具或武器）◆Sara placed her knife and fork neatly on the plate.萨拉把刀叉整齐地摆放在盘子上。◆a kitchen / carving / hunting knife菜刀；切肉刀；猎刀◆She was murdered in a frenzied knife attack.她被乱刀砍死了。■ blade [countable] the flat part of a knife, tool or machine, which has a sharp edge or edges for cutting 刀身；刀片；刀刃◆Knife blades are generally made of stainless steel.刀刃通常是用不锈钢制成的。◆Razor blades should always be sharp.剃须刀片应该总是很锋利。ⓘ Blade is also used to mean 'knife' or (more frequently) 'sword'. * blade也可指刀，但更多指剑◆The swordsmen weaved and dodged as their blades clashed over and over again.剑客们在剑锋的反复撞击声中腾挪躲闪。 ■ dagger [countable] a short pointed knife that is used as a weapon 匕首；短剑◆Each man was armed with both sword and dagger.每个人都配备了剑和匕首。■ scalpel ˈskælpəl [countable] a small sharp knife used by doctors in medical operations 解剖刀；手术刀◆The surgeon made the first incision with a wide-bladed scalpel.外科医生用宽口手术刀剖开了第一道切口。■ machete məˈʃeti [countable] a broad heavy knife used as a cutting tool or as a weapon 大刀；大砍刀◆She used her machete to clear a way through the jungle.她用大砍刀在丛林中开出一条路。■ cleaver [countable] a heavy knife with a broad blade, often used for cutting large pieces of meat 砍肉刀；剁肉刀◆With a meat cleaver or heavy chef's knife, cut the chicken into large pieces.用剁肉刀或大厨师刀把鸡剁成大块儿。■ switchblade ˈswɪtʃbleɪd [countable] a knife with a blade inside the handle that jumps out quickly when a button is pressed 弹簧刀◆Owning or carrying a switchblade is illegal in the United Kingdom.在英国，持有或携带弹簧刀是违法的。■ penknife ˈpennaɪf [countable] a small knife with one or more blades that fold down into the handle 小折刀◆He pulled the penknife out of his pocket and opened it.他从口袋里掏出小折刀并将它打开。
IELTS BNC: 2471 COCA: 2240
knife
Knives, forks and spoons: carving fork, carving knife, chopper...
Knives used as tools or weapons: clasp knife, flick knife, jackknife...
Medical equipment: catheter, defibrillator, drain...
To kill a person or animal: kill, murder, strangle...
To injure yourself or someone else: injure, harm, wound...

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