knife的复数形式是knives。knife既可以是名词，也可以是动词。当knife是名词时，其含义为刀。当其为动词时，其含义为“用刀伤害（或***害）”。例句：a sharp knife.锋利的刀。He takes revenge on the man by knifing him to death.他用刀***死了他的仇人。

简明释义

knife：英[na？f]；美[na？f]

n.刀

vt.用刀伤害(或***害)

第三人称单数：knives

复数：knives

现在分词：knifing

过去式：knifed

过去分词：knifed

短语搭配

knife money.刀币；春秋战国时期齐

knife switch.[电]闸刀开关；刀开关；[电]刀形开关；闸刀

STRAIGHT KNIFE.直刀式电剪；直刀；直刀电剪；战术直刀

ROTARY KNIFE.圆刀式电剪；裁切刀轮

marking knife.[木]划线刀

air knife.喷气括刀；风刀；空气刀

putty knife.[建]油灰刀；腻子刀；油灰刮铲；油灰刮刀

clasp knife.折刀

knife grinder.磨刀机；磨刀；[机]砂轮

双语例句

1、Score the card first with a knife.

先用刀在卡片上划出痕迹。

2、The deliberate cruelty of his words cut her like a knife.

他故意说的残酷无情的话对她像刀割一样。

3、Mind you don't cut yourself─that knife's very sharp.

小心别伤着——这刀子快得很。

4、A sharp knife makes a clean cut.

快刀切得整齐。

5、He pierced another hole in his belt with his knife.

他用刀子在皮腰带上又扎了一个洞。

6、She was playing with a knife,so I took it away from her.

她在玩一把刀子，于是我把刀子从她手里夺了过来。

7、She was playing with a knife,so I took it off her.

她在玩一把刀子，于是我把刀子从她手里夺了过来。

8、She came at me with a knife.

她拿着刀子向我扑过来。

9、She went for him with a knife.

她手持尖刀向他刺去。

10、They used their knives to clear a path through the dense undergrowth.

他们用刀在浓密的灌木丛中劈开一条小路。

11、She used a knife to prise open the lid.

她用刀把盖子撬开了。

12、The man attacked him with a knife.

那个男人持刀向他行凶。

13、He killed her with a thrust of the knife.

他把她一刀刺死了。

14、I cut myself on a knife.

我用刀时割伤了自己。

15、All our officers are trained to defend themselves against knife attacks.

我们所有的**都接受过自卫训练，能够对付持刀袭击。

16、She plunged the knife deep into his chest.

她把刀子深深地刺进他的胸膛。

17、His hand went limp and the knife clattered to the ground.

他的手一软，刀子当啷一声掉到地上。

18、This knife won't cut.

这把刀不快。

19、Cut it with a knife.

用刀把它切开。

20、He held the knife to her throat.

他拿刀子顶着她的喉咙。