They are impressed by the sheer professionalism of the performance.
他们赞佩表演炉火纯青。
lú huǒ chún qīng
high degree of professional proficiency声明：以上
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on request, on sale, on schedule, on second thoughts, on show, on the air, on the alert, on the analogy of, on the average, on the basis of,
相似单词
炉顶气, 炉腹, 炉甘石, 炉缸, 炉火, 炉火纯青, 炉火盘, 炉角, 炉口, 炉冷,