It is incredible how little we know.
令人难以置信的是，我们所知是多么少。
It's good for the public to know how little we know.
让公众知悉我们的研究进展对他们是有好处的。
Or have we only learned how little we know of it? For this, too, let us thank Him.
或是你如今才恍然大悟，原来你对这真理竟了解得那么少，为此，也要感谢上帝。
To me, the most shocking thing about grit is how little we know, how little science knows about building it.
对我来说，关于毅力最让我震惊的事情莫过于对于毅力，我们知之甚少，在培养毅力上，科学对理解的认识又是何等贫乏。
Yet another optical illusion has popped up on the Internet proving how little we know about how our brains work.
又一组视觉错觉照片在网络上出现，这证明了我们对大脑工作的方式了解的少之又少。
It would have amazed the brightest minds of the 18th century to be told by any of us how little we know and how strange seems the way ahead.
当被我们任何一个人告知我们了解的是如此的少，前方的道路显得如此陌生，18世纪那些最顶尖的人一定感到震惊。
Mr Ferris is reminding us of how little we know about the world we live in, and how little we know about ourselves within it, and yet we persist.
费里斯先生让我们意识到我们对于我们生存之世界及我们自己是多么的不了解，然而我们仍旧存在。
They also discovered just how little we know about the function of what is likely to be the most interesting and powerful object in the universe.
他们还发现我们只知道一点点关于什么是宇宙中最有趣，最具威力的功能。
It's quite shocking how little we know about this essential pest of honey bees although it has caused havoc in agriculture for more than 20 years.
我们对这一重要的蜜蜂害虫所知之少，令人震惊，尽管20多年来其已对农业造成了巨大破坏。
It would have amazed the brightest minds of the 18th century Enlightenment to be told by any of us how little we know and how bewildering seems the way ahead.
我们对十八世纪启蒙运动的伟大思想家说，我们对自然界知之甚少，对前景也十分茫然，他们定会深感震惊。
Part of the motivation for exploring the Kuiper Belt was the recognition of just how little we know about this cold, dark region at the fringe of our solar system.
对于柯伊伯带探索的动机可能部分来自与人们终于认识到，我们对太阳系边缘这片寒冷黑暗的区域实在知之甚少。
Climate change science is in a period of 'negative discovery' - the more we learn about this exceptionally complex and rapidly evolving field the more we realize how little we know.
气候变化科学正处于一个“负发现”的时期-我们对这个异常复杂迅疾变化的领域了解得越多，我们就意识到我们的所知何其浅薄。
We know very little about the brain and how it deals with simultaneous conflicting input, but every common-sense intuition suggests we should be profoundly alarmed.
我们对大脑知之甚少，也不知道它如何处理同时出现的相互冲突的信息，但所有的常识直觉都告诉我们，我们应该对此深感震惊。
But with little or no coaching, how do we know we are on the right track?
可是，如果只有些许训练甚至没有，我们又怎么能知道在爱的旅途中我们是否正确呢？
Now a little bit later in the term, we'll get to the question of, how do we know what an appropriate number is?
我们在这学期之后的学习中，将会讲到我们怎么知道，这个恰当的数量是多少这个问题？
YouTube is, by far, the most popular online video service, but we actually know very little about how bloggers use the service to embed videos on their own sites.
到目前为止，YouTube是网上最受欢迎的视屏网站，但是事实上，我们对博主是如何把视频传到他们自己的网站上了解甚少。
We know little about how the human body copes with the chemicals that have inveigled their way into our daily life.
人类身体如何处理这些蒙混进入我们日常生活中的化学物质，我们尚知之甚少。
"Its discovery just emphasises how little we actually know, and it raises the possibility that there are even smaller ones out there," said Longrich.
朗瑞奇说：“这一发现正突显了我们其实知道的太少了，这也就引出了更小恐龙存在的可能性。”
We know little as to how the maternal environment alters offspring programming.
我们几乎不了解产妇环境是怎样改变后代的。
It's also hard to know what these pheromones might be and how we sense them, so researchers understand little about them.
另一个问题同样很困难：我们不知道这种信息素可能是什么，也不知道如何去感知它，因而研究者们对它知之甚少。
We'll have to wait a little longer to see what an internet-enabled vacuum cleaner looks like, or even what form it takes, but we do know how it will get there - online.
我们需要多等一会才知道一个互联网驱动的吸尘器是什么样的，或者它是怎样运行的，但我们知道它跟互联网是密不可分的。
Perhaps the most surprising thing about the finding is how little we still know about healthy water consumption in general.
大概最让人惊讶的是平常喝的水给我们身体带来健康，这一点我们知之甚少。
The fact there are blank spots between each of these lines is a sign of how little we really know about the world's oceans.
从各条线之间的空白点我们可以看出，我们对世界各大洋的认识还十分有限。
The fact there are blank spots between each of these lines is a sign of how little we really know about the world's oceans.
从各条线之间的空白点我们可以看出，我们对世界各大洋的认识还十分有限。
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