lúhuǒchúnqīng
Mandarin
Romanization
lúhuǒchúnqīng
(
Zhuyin
ㄌㄨˊ ㄏㄨㄛˇ ㄔㄨㄣˊ ㄑㄧㄥ
)
Hanyu Pinyin
reading of
爐火純青
/
炉火纯青