No one knows for sure when or why it began to symbolize peace.
没有人确切地知道它是什么时候或者为什么开始成为和平的象征。
No one yet knows how to design the software for that.
没有人知道怎样设计软件才能做到有主观意识。
No one knows for certain the origin of the holiday.
没有人确切知道这一节日的来源。
No one person knows exactly the right answer for the future.
没有人确切地知道关于未来的正确答案。
No one knows for sure because he died alone.
由于他孤独离世，当时无人知晓。
No one really knows. Except for God.
除了上帝没有人知道。
He knows that no one else is responsible for his growth and well-being.
他知道没有人负责他的成长和幸福。
我敢肯定，没人知道原因。
Answer: no one knows for sure, but common sense would provide a good guess.
答：没人能确定，但我们可以用常识猜测。
Extinct no one knows for sure, but a reasonable guess is: us.
但是有一种合理的猜测：我们人类。
For example, how do we know there is no other life? No one knows.
譬如，我们怎样知道没有其他的生命？没有人知道。
Don't wait for tomorrow, because no one knows that there is no tomorrow.
人不要等明天，因为没有人知道自己有没有明天。
No one knows for sure, and making predictions is a risky business.
没有人确切地知道，而且预测是一件冒险的事。
No one knows for sure where flags came from.
没有人确切知道旗子从何而来。
No one knows me with steadfast certainty, the way people know you, for instance.
没有人能确切地了解我，像人们了解你一样。
No one knows for sure. That's the great mystery!
没有人知道，这是个大秘密！
He has done great deeds for our country, although no one knows him.
他对我们国家有很大功劳，虽然没人知道他。
But no one knows for sure when or why it began to symbolise peace.
但是没人能够确认橄榄枝什么时候为什么成为了和平的象征。
No one knows for certain how the solar system began.
没有人能确切知道太阳系是如何形成的。
No one knows for sure how the Moai came to be.
没有人确切知道毛埃的来历。
But no one really knows for sure.
但是没人确切知道哪一个是真的。
Or not. This being China, no one knows for sure.
也许不是，这就是中国，没人能确切知道答案。
No one knows for sure, of course.
当然谁也不敢肯定是不是马上就会出现崩溃。
No one knows for sure what happened to Bill.
没有人确切知道比尔出了什么事。
No one knows for sure what happened to Bill.
没有人确切知道比尔出了什么事。
应用推荐