You do not know whether what you're told is true or false.
你不知道别人告诉你的是真的还是假的。
I do not know what to do with the information if I cannot pass it on.
如果无法传送出去，我不知道该拿这情报怎么办。
My dear children, I do not know.
我亲爱的孩子们，我不知道。
I do not know Chinese sign language.
我不知道汉语手语。
"That I do not know," said the Rat simply.
“这我不知道。”水鼠兰特简单地说。
他们不知道。
我不知道这件事。
I do not know myself what is the matter with me!
我自己也不知道我是怎么了！
We do not toll for little Kay; we do not know him.
我们不为小小的加伊而敲丧钟；我们不认识他。
"I do not know where your house is," she answered.
“我不知道你家在哪儿。”她回答。
"But I do not know it," said he, "and no one knows it!"
“可是我不知道，”他说，“谁也不知道！”
So far we do not know how much of a problem it might be.
到目前为止，我们还不知道这个问题的严重性。
Unfortunately, we do not know how to build rockets that fast!
遗憾的是我们不知道怎样制造这么快的火箭！
I will willingly go away with you, but I do not know how to get down.
我很愿意和你一起走，但是我不知道怎么下去。
It is very important that we must be honest about what we do not know.
最重要的是，对于我们不了解的事情我们必须坦诚交待。
We do not know whether lower carbon footprints will always be better for biodiversity.
我们不知道低碳足迹是否总是有利于生物多样性。
Children do not know by instinct the difference between right and wrong.
儿童并非生来就会分辨是非。
我真的不懂。
I do not know why the ceiling should be expected to have that effect.
我不明白为什么应该期望天花板产生那种效果。
Scientists do not know exactly how this process prevents ice crystal formation.
科学家们还不清楚这个过程是如何阻止冰晶形成的。
The children do not know how to behave themselves decently.
小孩子不懂如何举止得体。
You do not know where to start.
你不知道从哪里开始。
他回答说，“我不知道。”
I do not know how long they lasted.
我不知道这种声音持续了多久。
Do not ask me why, as I do not know.
不要问我为什么，因为我也不知道。
You do not know life, my dear.
你脱离现实生活了，我亲爱的。
坦白地说，我不知道。
They do not know why matter has mass.
他们不知道为什么物质会具有质量。
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