As a Noun:
1. The condition of taking harmful drugs and being unable to stop taking them. English = addiction.
2. A hook used for catching fish. English = fishing hook, hook.
As a Verb or Adjective:
1. To be unable to stop taking a harmful drug. English = (be) addicted. Idiomatic English = (be) hooked on.
2. To catch a fish, to hook a fish.