煉丹 [炼－]

Jyutping lin6 daan1
Pinyin liàn dān

Definitions (CC-CEDICT)
  1. to concoct pills of immortality
Definitions (Wiktionary)
  1. verb, historical
    to concoct pills of immortality
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）