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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

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