不知道

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

我不突然离去的原因。

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真相。

I haven’t a clue how to get there.

我根本不怎么去那里。

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

不为什么们足球队退出了比赛。

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

有些医生认为不是好，因此不病人透露全部病情。

She remained in blissful ignorance of these events.

她有幸一直不这些情。

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

她夫不，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。可我觉得看上去毛茸茸的，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,我要的是为什么会发生这种。"

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

你难不我是在开玩笑吗？傻瓜。

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

其实们不，帕尔乌斯来是大手大脚的。

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

我不为什么咖啡因突然得了这么个坏名声。

Betty had no idea what male chauvinism was.

贝蒂不大男子主义是怎么回。

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，不发生了什么。

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

天哪，我原来都不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，不下一步该什么。

I don't know he was a gay person.

我不是同性恋者。

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

我不这个案子的是非曲折。

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

我不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, 其任何人都不这答案。