People who have never known of civil society; people who have never known of a world with polis, well, of course,they would do something stupid like that.

希腊人认为不知道文明社会的人,也不会知道城邦的世界,所以才会做出如此愚蠢的行为

耶鲁公开课 - 古希腊历史简介课程节选

Well, now let's do something stupid.

呃，让我们做一点无聊的东西。

哈佛公开课 - 计算机科学课程节选

You do something stupid, that's--you're a stupid person.

你做了一些蠢事，那是因为你是一个蠢人。

耶鲁公开课 - 心理学导论课程节选

Dr. Samuel Johnson the greatest of all eighteenth-century literary critics is absolutely flabbergasted that Milton would have these brothers do something so stupid.

8世纪最伟大的文学评论家塞缪尔约翰逊博士,非常大吃一惊,弥尔顿居然会让小姐的弟弟干这些蠢事。

耶鲁公开课 - 弥尔顿课程节选

I do something stupid, it's an off day.

如果我做了蠢事，那是因为我那天不在状态。

耶鲁公开课 - 心理学导论课程节选