beaky

例句：

1. 1. The beak of the eagle is incredibly sharp.
   鹰的喙非常尖。
2. 2. The knife was so sharp that itcould cut through butter.
   这把刀太锋利了，能切黄油。
3. 3. The needleon the sewing machine is very keen.
   缝纫机上的针非常尖。