They know not what they do.

他们不知道自己在做什么。

youdao

"Forgive them, for they know not what they do".

原谅他们吧，他们不知道自己做了什么。

youdao

Some are controlled, and know not what they do.

一些人是被控制了，根本很无知无辜。

youdao

She and her best friend still use it, especially when they do not want their children to know what they are talking about.

VOA: special.2009.12.04

He says, "I believe in the practice and philosophy of what we have agreed to call magic, in what I must call the evocation of spirits, though I do not know what they are."

他说我相信我们所称作的,关于魔法的实践和哲学，我认为那是对灵魂的召唤，尽管我并不知道它们是什么“

耶鲁公开课 - 现代诗歌课程节选

Unless you tell them what to do they're not gonna know how to do it.

除非你告诉它要做什么,它自己是不知道做什么的。

哈佛公开课 - 计算机科学课程节选

If these genes are so important to the proper operation of the cell and we do not know what they do, it means we still have a long way to go before we fully understand cellular life - and that includes humans.

BBC: Is life just genes?

Ultimately Shah produced some terrific hitting after a sluggish start and it was always unlikely that England would score 198, but it sent a rather confused message to the extent that we really do not know what they will do in Cuttack on Wednesday.

BBC: Jonathan Agnew column

Those who say we do not need talent in our universities do not know what they are talking about.

ECONOMIST: A sorry state