一类是什么都不知道和只知道接受事实的人，一类是什么都不知道，并拒绝相信事实的人，还有一类是真的问题的人。

Those who know nothing and accept the fact, those who know nothing and refuse to believe it, and those who actually do know something about the subject.

youdao

我们不知道丝蚁吃什么，也不知道为什么和白蜡虫生活在一起。

We do not know what they eat or why they also live with a wax scale insect.

youdao

有些人不知道如何寻找出租的房屋，也不知道如何阅读和磋商租住合同。

Some do not know how to look for a house for rent or how to read and negotiate a rental contract.

youdao

Now,the problem with this is that Papias and these other people didn't really know what they were talking about.

问题是帕皮亚和其他人,根本不知道自己在说什么。

耶鲁公开课 - 新约课程节选

So they bring like... I don't know, business people are like, different companies to like talk with students here

所以他们把……我不知道，把商人，不同公司的商人找来和学生谈话，

来自西班牙的留学生 - SpeakingMax英语口语达人

You and I are to what else was going on, certainly 11 approvals sense like an extreme number. Yeah,yeah.

你和我都不知道还有什么其他事，但是很显然11个批准文件是很极端，是，是这样的。

普林斯顿公开课 - 国际座谈会课程节选