刃

例句：

1. 1. The chef used a knife tocut the meat into thin slices.
   厨师用刀将肉切成薄片。
2. 2. The bladeof the knife is razor-sharp.
   刀锋非常锋利。
3. 3. The sharpedge of the knife cuts through anything.
   刀尖能轻易切开任何东西。