厨师用一把锋利的刀切蔬菜。

The chef used a ___sharp knife to slice the vegetables.

狼露出了它锋利的牙齿。

The wolf bared its ___sharp teeth.

我需要削尖这支铅笔，因为笔尖不够尖。

I need to sharpen this pencil because the point isn't ___sharp enough.