警方正在搜寻一名持刀袭击便利店员工的凶徒。

The police are searching for a ___knifeman who attacked a convenience store clerk.

这位刀工师傅能在几秒钟内把胡萝卜切成纸一样薄的薄片。

The ___knife man can slice carrots into paper-thin pieces in seconds.