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（或杀害）”。例句：a sharp knife.锋利的刀。He takes revenge on the man by knifing him to death.他用刀杀死了他的仇人。

knife：英[naɪf]；美[naɪf]

n.刀

vt.用刀伤害(或杀害)

第三人称单数：knives

复数：knives

现在分词：knifing

过去式：knifed

过去分词：knifed

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

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.

我们所有的警察都接受过自卫训练，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。

【#knife的复数#】到此分享完毕，希望对大家有所帮助。