perfect是形容词，也可以是及物动词。 perfection是名词。 形容词通常修饰名词。 例如，She is a perfect wife and mother. 及物动词后通常带宾语。 例如，He went to Italy to perfect his singing voice. 名词的用法我不用说了吧。 perfect的确可以当名词,指语法上完成时, 完成式 future [ past, present] perfect 将来[过去, 现在]完成时 十全十美, 完整无缺 十分精确; 无比熟练 完美的人或物, 典型, 代表 [pl. ]才艺, 造诣, 优点 完成[善, 美], 完整性, 极度 (花果的)盛开, 正熟 bring sth. to perfection 使某物十全十美 come to perfection 达到完美地步 reach [achieve, acquire, attain] perfection 臻于完善 strive for perfection in 力求...高度熟练 perfection of rudeness 粗鲁之极 be at perfection (果子)正熟, (菜)烹调恰好 He imitates people to perfection. 他模仿别人, 惟妙惟肖。 It was the very perfection of beauty. 它是美的结晶。 Beauty is the least of her perfections. 美貌是她优点中最微不足道的。 本文来源：https://www.wddqw.com/doc/7b3c1a42b90d6c85ec3ac6a4.html