"I think it's another thing when you sit back and retire and you see how many perfect games have been thrown in history and your name is in there, I think that's when I will sit back and kind of be surprised."

VOA: standard.2009.12.24

If you speak to your children in perfect English, it's very strange.

如果你用完美的英语表达和你的孩子说话,会是非常奇怪的

耶鲁公开课 - 心理学导论课程节选

I wish is great, because it's a perfect way to very casually express your desires.

I wish”是个很棒的句型，因为它是一种很随意地表达你的愿望的绝好方法。

I wish 课堂 - SpeakingMax英语口语达人

Am I being unfair? Are your dorm rooms all perfect?

我说对了没,你们寝室很干净吗

耶鲁公开课 - 博弈论课程节选