So be careful what you think you know.

所以要认为你知道的一定是真的。

Achievement is wonderful when you know why you're doing it.

当你知道你为什么这么做的时候，成就是美好的。

The cause of his death is not yet known.

他的死因尚清楚。

That's, you know, that's good I guess.

我觉得这很好。

Time, distance, nothing could separate them because they knew.

时间、 距离，没什么将他们分开，因为他们知道。

And when you don't know, it can be a terrible trap.

如果你知道，它就可变成可怕的陷阱。

The extent of the fire damage was not immediately known.

目前尚清楚火灾造成的损失程度。

Of course. Probably. But we don't know about them.

是啊，可吧，但那我们就清楚了。

Well, newspapers aren't like the government, you know, Humphrey.

报纸可像政府汉弗莱。

I flew so high, I didn't know where I was.

我飞得太高了 我都知道我在哪里了。

However, if you know differently, let us know in the comments.

但是，如果你有同的了解，请在评论中告诉我们。

No, no, too expensive, I don't know which one to do.

，，太贵了，我知道该怎么用它。

An expert, as we know, means you know a lot about it.

正如我们所知，专家意味着你对它了解很多。

Sometimes in life there are experiences you know you'll never forget.

在生活中，有时会有一些你知道你永远会忘记的经历。

I asked my students if any of them knew what " elocution" was.

我问我的学生是否有人知道“演说术”是什么。

Another type of seedless vascular plant is ferns, also known as monilophytes.

另一种无籽维管植物是蕨类植物，也被称为单生植物。

The woman seems perturbed, the maid puckish; perhaps she already knows the news.

女主人看起来忐忑安，女佣则有戏谑之意；也许她已经知道了这个消息。

And what people may not know is that roses have a second flush.

而人们可知道的是，玫瑰花有第二次冲水。

More than 37,000 people are now known to have died from the earthquakes.

目前已知有超过3.7万人死于地震。

A few months ago, they said they didn't know who I was.

几个月前，他们说知道我是谁。