刀子的英文：
knife

The criminal jabbed at the pursuer with a knife.
罪犯用刀子刺追捕他的人。

I had a tussle to get the knife off him.
我与他扭打一阵才把刀子夺下。

The knife was stuck but she pulled it out with a jerk.
那把刀子被卡住了，她猛地一拔，把它拔了出来。

He boiled his syringe and fired his knife to sterilise them.
他把注射器放到水中煮，把刀子放在火上烧来进行消毒。

A poignant anxiety thrust itself sharply into Presley's heart.
一阵剧烈的焦虑，象把刀子似的，直扎进普瑞斯莱的心房

The knife was stuck but she pulled it out with a jerk
那把刀子被卡住了，她猛地一拔，把它拔了出来。

The knife is white upon entry and red upon exit.—A murder takes place
白刀子进去，红刀子出来

Your knife is the same kind as hers .
你的刀子和她的刀子同一种类。

John passed Mary the knife. John passed the knife to Mary .
约翰把刀子递给玛丽。

A knife with a serrated blade
有锯齿形刃的刀子

The killer stabbed him with a knife/stabbed a knife into him.
凶手用刀刺他.

The knife easily cut into the cake.
刀一下子就切进了蛋糕。

The intruder whipped out a knife.
闯进来的人突然掏出一把刀来。

He is a capital knife and fork.
他是个胃口极好的人。

a protective case for a knife or sword.
刀或剑上的保护性外壳。