煉丹八卦爐 [炼－－－炉]

Jyutping lin6 daan1 baat3 gwaa3 lou4
Pinyin liàn dān bā guà lú

Definitions (CC-CEDICT)
  1. eight trigrams furnace to cook pills of immortality
  2. symbol of the alchemist's art
  3. Double, double toil and trouble, Fire burn, and cauldron bubble