knife /naɪf/ star3 CET4 TEM4 (knifing,knifed,knifes,knives)

• 1.  

  N-COUNT（可数名词） A knife is 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. 刀

  例：

  ...a knife and fork.

  …一副刀叉。

• 2.  

  V-T（及物动词） To knife someone means to attack and injure them with a knife. 用刀砍

  例：

  Dawson takes revenge on the man by knifing him to death.

  道森向那人报仇，用刀砍死了他。

• 3.  

  PHRASE（习语） If you twist the knife in someone's wound, you do or say something to make an unpleasant situation they are in even more unpleasant. 在某人伤口上撒盐

  例：

  Hearing his own plans was like having a knife twisted in his wound.

  听到他自己的计划就像是有人在自己伤口上撒盐。