Taivo A Taiwan Mandarin dictionary

爐火純青

lúhuǒchúnqīng

ㄌㄨˊ ㄏㄨㄛˇ ㄔㄨㄣˊ ㄑㄧㄥ

Simplified 炉火纯青

  1. 1(lit.) the stove fire has turned bright green (allusion to Daoist alchemy) (idiom)
  2. 2(fig.) (of an art, a technique etc) brought to the point of perfection

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