Tom keeps a knife with a keen edge.

汤姆有一把锋利的小刀。

youdao

For cutting and slicing, hold the knife with your thumb and index finger gripping the top of the blade, and wrap your other fingers around the handle.

切割或切片时用拇指和食指捏住刀刃上方，其他手指顺势握住刀柄。

youdao

He ran at me with a knife.

他拿着刀朝我冲过来。

《牛津词典》

He would have to cut them with his knife.

VOA: special.2010.05.01

Just about every culture uses some sort of utensils to eat food with, a knife and a fork, chopsticks, a spoon.

几乎所有的文化都会使用某些餐具,刀叉,筷子,勺子

耶鲁公开课 - 心理学导论课程节选

Dudley offered a prayer, he told the boy his time had come, and he killed him with a pen knife, stabbing him in the jugular vein.

达德利为派克做了祷告，并告诉派克他的时辰到了，然后就用小刀割破他的颈静脉杀死了他。

耶鲁公开课 - 公正课程节选

Audetat also found a foldable knife with a 4-inch blade in Loughner's front pocket.

CNN: SHARE THIS

In his other front pocket was a foldable knife with about a 4-inch blade.

NPR: Major Findings In Records About Giffords Shooting

He also fired a round from a handgun and was carrying a knife with a 12-inch blade, officials said.

CNN: Subway checked for hazardous material; none found