(lit.) the stove fire has turned bright green (allusion to Daoist alchemy) (idiom); (fig.) (of an art, a technique etc) brought to the point of perfection
trad. 爐火純青
Also written 爐火純青【lú huǒ chún qīng】
(lit.) the stove fire has turned bright green (allusion to Daoist alchemy) (idiom); (fig.) (of an art, a technique etc) brought to the point of perfection
trad. 爐火純青
Also written 爐火純青【lú huǒ chún qīng】