n. edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
n. a weapon with a handle and blade with a sharp point
v. use a knife on
n. 小刀, 匕首
vt. 切割, 伤害, 切, 戳
vi. 劈开, 穿过
1. I need a knife to cut the vegetables.
我需要一把刀来切蔬菜。
2. Be careful with that knife; it is very sharp.
小心那把刀，它非常锋利。
3. He used a knife to open the package.
他用刀子打开了包裹。