洪爐 [－炉]

Jyutping hung4 lou4
Pinyin hóng lú

Definitions (CC-CEDICT)
  1. great furnace (metaphor for a place where character is forged)
Definitions (Wiktionary)
  1. noun, figuratively
    furnace; place where one's talent or character is forged
  2. noun
    large oven; great furnace
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）