不知道的

But there are also unknown unknowns - the ones we don't know we don't know .

但也存在未知的未知---那些我们不知道我们不知道的东西。

Adulthood-(my film that won me the bafta http://www.imdb.com/title/tt1126596/ for those who don't know it. And this is me for those new here or not aware of me before sunday http://www.imdb.com/name/nm0164929/)-was one of the highest grossing BRITISH FILMS of 2008, 1st or 2nd.

Adulthood-(让我赢得 BAFTA 的电影，不知道的人可以参考这个 http：//www.imdb.com/title/tt1126596/，而在星期日之前都不知道我是谁的看这个 http：//www.imdb.com/name/nm0164929/)是2008年票房最高的英国电影之一，不是第一名就是第二名。

But there are also unknown unknowns: the ones we don't know we don't know.

但也有一些未知的未知，也就是那些我们不知道自己不知道的事物。

But there are also unknown unknowns — the ones we don't know we don't know.

但是也有一些是未知的未知物──有些我们是不知道我们不知道的。

But there are also unknown unknowns. There are things we don't know we don't know.

但是，这世上还有未知的未知，那些我们不知道我们不知道的事情。

But there are also unknown unknowns -- the ones we don't know we don't know.

但也有未知的未知——那些我们不知道我们不知道的。

We also know there are known unknowns; that is to say we know there are some things we do not know.

我们也知道，有些已知的未知物；就是说，我们知道有些东西我们是不知道的。

But there are alsounknown unknowns - the ones we don't know we don'tknow .

但也存在未知的未知---那些我们不知道我们不知道的东西。

We also know there are known unknowns; that is to say we know there are some things we do not know.

我们也知道还有一些已知的未知，也就是说我们知道自己还有一些不知道的事情。

There are known unknowns. That is to say, there are things that we know we don't know.

我们也知道这世上还有已知的未知，也就是说我们知道我们还不知道的那些事情。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷