刀英语怎么说

刀在英语中的说法是"knife"。这个词来源于古法语的 "couteau"，在中世纪时被英语所采纳。下面是一些例句：

I always carry a knife with me for self-defense.
She sliced the carrot with a sharp knife.
He used a knife to open the package.
Be careful when handling a knife. It can be very dangerous if you don't use it properly.