knife

n. 刀
v. 用刀切割,如刀割般

I picked up the knife and threw it out of the window.

我拿起了那把刀，把它扔到了窗外。

His strong voice cut through the hum of conversation like a knife through butter.

他那宏亮有力的声音一下子压倒了嗡嗡的谈话声。