knife

英 [naɪf]

美 [naɪf]

n.  刀
v.  用刀伤害(或杀害)

复数：knives　过去分词：knifed　现在分词：knifing　过去式：knifed　第三人称单数：knifes　

中考高考IELTSCET4考研

Oxford 3000 / Collins.3 / BNC.2471 / COCA.2240

习惯用语

n.

the knives are out (for sb)
• （对某人）磨刀霍霍，兴师问罪
  the situation has become so bad that people are preparing to make one person take the blame, for example by taking away their job
like a knife through butter
• 轻而易举；毫无困难
  easily; without meeting any difficulty
put/stick the knife input/stick the knife into sb
• 对某人怀恨在心；加害于某人
  to be very unfriendly to sb and try to harm them
turn/twist the knife (in the wound)
• 恶意地说（或做）；落井下石；往伤口上撒盐
  to say or do sth unkind deliberately; to make sb who is unhappy feel even more unhappy
under the knife
• 接受手术；动手术
  having a medical operation

牛津词典

noun

• 刀
  a sharp blade with a handle, used for cutting or as a weapon
  1. knives and forks
     刀叉
  2. a sharp knife
     锋利的刀
  3. a bread knife (= one for cutting bread)
     切面包刀
  4. She was murdered in a frenzied knife attack.
     她被乱刀残杀。

verb

• 用刀伤害（或杀害）
  to injure or kill sb with a knife

柯林斯词典

knives is the plural form of the noun and knifes is the third person singular of the present tense of the verb. knives 是该词的名词复数形式，knifes 是该词的动词现在时第三人称单数形式。


• N-COUNT 刀
  Aknifeis a tool for cutting or a weapon and consists of a flat piece of metal with a sharp edge on the end of a handle.
  1. ...a knife and fork...
     一副刀叉
  2. Two robbers broke into her home, held a knife to her throat and stole her savings.
     两个盗贼闯进了她的家，把刀架在她的脖子上，抢走了她的积蓄。
• VERB 用刀伤害
  Toknifesomeone means to attack and injure them with a knife.
  1. Dawson takes revenge on the man by knifing him to death...
     道森用刀杀死了他的仇人。
  2. She was knifed in the back six times.
     她的背部中了6刀。
• 手术刀
  A surgeon'sknifeis a piece of equipment used to cut flesh and organs during operations. It is made of metal and has a very thin sharp edge.
• PHRASE 接受手术；动手术
  If you gounder the knife, you have an operation in a hospital.
  1. Kelly was about to go under the knife when her surgeon stopped everything.
     凯莉的手术就要开始时被她的外科医生给叫停了。
• See also:carving knifefish knifeflick knifepalette knifepaper knifepocket knifeStanley knife
• PHRASE 轻而易举；毫无困难
  If someone does somethinglike a knife through butterorlike a hot knife through butter, they do it very easily.
  1. Spending by Japanese companies has left them more competitive than companies in other nations. They will be cutting through the competition like a hot knife through butter.
     日本公司的支出使得它们比其他国家的公司更具竞争力。它们将在竞争中轻而易举地取胜。
• PHRASE （紧张的气氛）使人透不过气来
  If you have been in a place where there was a very tense atmosphere, you can say that youcould have cutthe atmospherewith a knife.
  1. Officials hung the flag upside down. You could have cut the atmosphere with a knife.
     官员们把旗子挂倒了。气氛紧张得让人透不过气来。
• PHRASE 对…磨刀霍霍；对…兴师问罪
  If a lot of people want something unpleasant to happen to someone, for example if they want them to lose their job, you can say thatthe knives are out forthat person.
  1. The Party knives are out for the leader.
     该党派要向其领导人开刀了。
• PHRASE 落井下石；往伤口上撒盐
  If youtwist the knifeor if youturn the knife insomeone'swound, you do or say something to make an unpleasant situation they are in even more unpleasant.
  1. Travis twisted the knife by laughing at her...
     特拉维斯火上浇油般地嘲笑她。
  2. It is the turn of Latvia to twist the knife.
     轮到拉特维亚落井下石了。

英英释义

noun

• edge tool used as a cutting instrument
• a weapon with a handle and blade with a sharp point
• any long thin projection that is transient
  1. tongues of flame licked at the walls
  2. rifles exploded quick knives of fire into the dark
  Synonym:tongue

verb

• use a knife on
  1. The victim was knifed to death
  Synonym:stab

双语例句

• He laid his knife down.
  他放下刀。
• Two robbers broke into her home, held a knife to her throat and stole her savings.
  两个盗贼闯进了她的家，把刀架在她的脖子上，抢走了她的积蓄。
• I pulled a knife and threatened her.
  我拔出刀威胁她。
• His surgical instruments were a knife and a pair of pincers.
  他的外科手术器械是一把刀和一把钳子。
• Kelly was about to go under the knife when her surgeon stopped everything.
  凯莉的手术就要开始时被她的外科医生给叫停了。
• Some punk stuck a knife in her last night
  有个小流氓昨晚扎了她一刀。
• He knew that under the surgeon's knife he would surely die
  他知道他必定会死在外科医生刀下。
• Spending by Japanese companies has left them more competitive than companies in other nations. They will be cutting through the competition like a hot knife through butter.
  日本公司的支出使得它们比其他国家的公司更具竞争力。它们将在竞争中轻而易举地取胜。
• He tied her up and threatened her with a six-inch knife
  他把她捆起来，拿着一把6英寸长的刀子威胁她。
• I plunged in my knife and fork.
  我插入了刀叉。