1 completely good; without faults or weaknesses 完善的；完美无瑕的: The car is two years old but it is still in perfect condition. 虽然这辆汽车已用了两年，但依然完好无损。 [OPP] imperfect 反义词为imperfect

2 perfect (for sb/sth) exactly suitable or right 很适合；很恰当；绝佳: Ken would be perfect for the job. 肯很适合做那份工作。

3 (only before a noun 只用于名词前) complete; total 完全的；全部的: What he was saying made perfect sense to me. 他说的话在我听来很有道理。a perfect stranger 素昧平生的人

4 used to describe the tense of a verb that is formed with has/have/had and the past participle 完成时的；完成式的 perfectly adv He played the piece of music perfectly. 他把那首乐曲演奏得完美无瑕。