不知道

I don't know the cause of his abrupt leave.

我不知道他去的原因。

All this proves conclusively that she couldn’t have known the truth.

这一切无可置疑地证明她不可能知道真相。

I haven’t a clue how to get there.

我根本不知道怎么去那里。

Their football team bowed out of the competition with unknown reasons.

不知道为什么他们足球队退出了比赛。

Some doctors believe ignorance is bliss and don’t give their patients all the facts.

有些医生认为不知道是好事，因此不向病人透露全部病情。

She remained in blissful ignorance of these events.

她有幸一直不知道这些事情。

Her husband doesn’t know it, but she’s got a boyfriend on the side.

她夫不知道，她暗地里还有一个男朋友。

I don't know, he looks kind of hairy and slobbery to me.

我不知道。可我觉得他看上去毛茸茸的，而且还流口水。

When it happened is immaterial; I want to know why it happened.

"发生在什么时候并不重要,我要知道的是为什么会发生这种事。"

Didn’t you know I was joking, you sap?

你难道不知道我是在开玩笑吗？傻瓜。

They did not know that Parvus did everything on a large scale .

其实他们不知道，帕做事向来是大手大脚的。

I don't know why caffeine's suddenly got such a bad rep.

我不知道为什么咖啡因得了这么个坏名声。

Betty had no idea what male chauvinism was.

贝蒂不知道大男子主义是怎么回事。

There’s been a lot of toing and froing next door today. I wonder what’s happening.

今天隔壁在不停地来回折腾，不知道发生了什么事。

Lily Geeze, I didn't know those were also swimming events!

天哪，我原来都不知道这些也属于游泳项目呢。

I floundered around trying to decide what I ought to do next.

我举步维艰，不知道下一步该做什么。

I don't know he was a gay person.

我不知道他是同性恋者。

I don’t know all the ins and outs of the case.

我不知道这个案子的是非曲折。

I didn't know what I was letting myself in for.

我不知道自己会卷入什么样的麻烦之中。

Neither you nor I, nor anybody else knows the answer.

你, 我, 其他任何人都不知道这答案。