There's two things I know for sure.

I don't know how you can say that.

真想不到你竟说那话。

I didn't know how to tell you.

我不知道该如何告诉你.

We don't know how the transcript leaked.

我们不知道文字本是怎么泄露出去的。

You know how prickly she is.

你知道她有多么爱发脾气。

And a few weeks later when a tiny chick hatched, their happiness know no bounds.

几个星期后,一只小鸟破壳而出, 它们欣喜万分.

I know of a shop where you can get the things cheaper.

我听说有一家商店,在那儿的东西较便宜.

You should let him know of this matter.

这件事你得跟他通个气.

The best method I know of.

我所知道的最好的方法.

Do you know of a really good hotel in this city?

你知道这个城里有家真正像样儿的好旅馆 吗 ?

Do you know of any plays that will be opening in the next few weeks?

你听说最近几个星期内要演什么戏 吗 ?

I don't know the writer, but I know of him.

我不认识这个作家, 但我听说过.

I'm surprised that you didn't know of such an important event.

这么大的事你竟会不知道？

The work isn't really that difficult once you to know the ropes.

一旦你掌握了窍门,这耕作真的不是那么难做.

I will teach Fred to do It'since I know the ropes.

我会教富莱德怎么去做它,因为我懂得诀窍.

The job is easy after you know the ropes.

等你懂得诀窍了,这工作就很容易.

I know the ropes much better than you do.

对这事如何去办理,我比知道多得多.

If you're in the pool, you must know the ropes.

如果你想要赌钱就得懂诀窍.

Incidentally, please know the ropes, under the interpretation.

顺便请懂行的解释下.

It took me several weeks to know the ropes in this office.

过了几星期后我才熟悉了这个办公室的情形.

The moment she got to know the ropes, there was no stopping her.

一旦她懂行了，就什么也难不住她了。