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Jyutping lak6 gaai3
Pinyin lè jiè

Definitions (CC-CEDICT)
  1. to force sb to give up (a drug)
  2. to enforce abstinence
  3. to break drug dependence
Definitions (Wiktionary)
  1. verb
    to force someone to quit (a bad practice, such as taking drugs)
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)