GbEng
我胸针的钩子断了。 The clasp of my brooch is broken.
你可以把外套挂在钩子上。 You may hang your coat on the hook.
他抬头一看,见是一个铁钩子正在他脑袋上方晃来晃去。 He looked up and found an iron hook dangling about his head.
紧固件能使一件东西牢牢固定在另一件东西的物件,如钩子 Something, such as a hook, used to attach one thing to another firmly.