a curved piece of metal, plastic or wire for hanging things on, catching fish with, etc. 鈎；釣鈎；挂鈎；魚鈎 
a picture/curtain/coat hook 挂圖鈎；窗簾鈎；挂衣鈎 a fish hook 魚鈎 Hang your towel on the hook. 把你的毛巾挂在鈎上。 The key was hanging from a hook. 鑰匙挂在鈎子上。 Your coat’s hanging on a hook behind the door. 你的外套挂在門後的挂鈎上。
(in boxing 拳擊運動 a short hard hit that is made with the elbow bent 鈎拳 
a left hook to the jaw 擊向下颌的一記左鈎拳
(in cricket and golf 板球及高爾夫球 a way of hitting the ball so that it curves to the side instead of going straight ahead (usually by mistake in golf, but deliberately in cricket) 曲線球 a thing that is used to make people interested in something 吸引人的事物；誘餌 The images are used as a hook to get children interested in science. 這些圖像用以吸引孩子們對科學産生興趣。 Well-chosen quotations can serve as a hook to catch the reader’s interest. 精心選擇的引語可以吸引讀者的興趣。
Word OriginOld English hōc, of Germanic origin; related to Dutch hoek ‘corner, angle, projecting piece of land’, also to German Haken ‘hook’.
Idioms
by hook or by crook
using any method you can, even a dishonest one 想方設法；不擇手段
hook, line and sinker
off the hook
having got free from a difficult situation or a punishment （使）擺脫困境，逃避懲罰 I lied to get him off the hook. 爲了讓他擺脫麻煩我撒了謊。 No way will she let you off the hook this time. 這次她絕不會放過你。 I was finally off the hook. 我終於擺脫了困境。
- (becoming old-fashioned)
if you leave or take a landline phone off the hook, you take the receiver (= the part that you pick up) off the place where it usually rests, so that nobody can call you （爲防止電話打進來而使聽筒）不挂上
on the hook for something
- (North American English, informal)
responsible for paying for something 鈎子： 負責支付某些東西Citizens are increasingly on the hook for more of their own medical costs. 公民們越來越多地爲自己的醫療費用買單。
ring off the hook
sling your hook
- (British English, informal)
(used especially in orders 尤用於命令 to go away 走開；滾蛋