He knows the size of the task.

他知道任务很重。

Goodness, I wonder if he knows.

天哪，我不清楚他知不知道。

Assume A knows B is guilty.

假定甲知道乙应负罪责。

Heaven knows what they put in it.

天知道他们往里面放了些什么。

Maggie knows how to quilt.

玛吉知道怎样缝被子。

Nobody knows what will happen next.

没有人知道接下来将会发生什么事。

He knows you're getting a bum deal.

他知道你遇上了糟糕的买卖。

She knows the local area very well.

她非常了解这地区的情况。

She knows how to get round her dad.

她知道怎样讨她爸爸的欢心。

God knows what else they might find.

谁知道他们还可能找到什么。

No one knows for sure what happened.

谁也不知道究竟发生了什么事。

Any teacher worth her salt knows that.

凡称职的教师都知道这一点。

She knows a bargain when she sees one.

她一看就知道有没有便宜可捡。

Anyone knows that all this is blather.

任何人都知道这一切全是胡说。

Let's suppose X knows what Y is doing.

假设X知道Y正在干什么。

Everyone knows she sleeps with the boss.

人人知道她跟老板睡觉。

He knows he's wishing for the impossible.

他知道自己在企盼不可能的事。

Who knows what changes tomorrow may bring?

谁知道将来会有什么变化？

I'll bet you (that) he knows all about it.

我敢说他了解一切。

The plain fact is that nobody really knows.

事实很明显，没有人真正了解。

Nobody knows who is in control of the club.

没有人知道谁掌管这个俱乐部。

Everyone knows about it now, thanks to you!

多亏了你，现在大家都知道了！

Everyone knows what's best for him or herself.

人人都知道对自己来说什么是最好的。

Nobody knows what's going on— it's a nightmare !

谁也不知道是怎么回事—真是棘手至极！

He knows the wheels of administration turn slowly.

他知道行政机构运作缓慢。

No one knows how many people currently surf the Net.

没人知道现在有多少人在网上冲浪。

She knows exactly how to tug at readers' heartstrings.

她十分了解如何拨动读者的心弦。

Hire someone with experience, someone who knows about real estate.

用一位有经验并了解房地产的人。

Every Russian knows the allegorical novel The Master And Margarita.

每个俄罗斯人都知道寓言小说《大师与玛格丽特》。

"Where is he now?"—"God knows."

“他现在在哪里？”—“天晓得。”