钩状物

例句：

1. 1. The hook on the door isloose.
   门上的钩子松了。
2. 2. Thehook on the fishing line caught a fish.
   钓鱼线上的钩子钓到了鱼。
3. 3.The hook in the net was too sharpto be used for catching fish.
   网中的钩太锋利，不适合用来捕鱼。