名詞 addiction:

1. being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
   同義詞：dependence, dependance, dependency, habituation
2. an abnormally strong craving
3. (Roman law) a formal award by a magistrate of a thing or person to another person (as the award of a debtor to his creditor); a surrender to a master

1. Drug addiction is a dangerous canker in society.
   吸毒成癮是腐蝕社會的一大禍害。
2. His addiction to drugs propelled him towards a life of crime.
   他吸毒成癮使他走上了犯罪的道路。
3. An addiction, especially to a narcotic drug.
   上癮上癮，特別是對毒品上癮