If you describe something as hooked, you mean that it is shaped like a hook.
He was thin and tall, with a hooked nose.
他又瘦又高,长着一只鹰钩鼻。
If you are hooked on something, you enjoy it so much that it takes up a lot of your interest and attention.
Many of the leaders have become hooked on power and money.
很多领导人都变得迷恋权力和金钱。
If you are hooked on a drug, you are addicted to it.
He spent a number of years hooked on cocaine, heroin, and alcohol.
他有好几年时间都对可卡因、海洛因和酒上瘾。