1·Do you not know your old shadow?
你不认识你的老影子吗？
2·How can you not know China?
你怎么会不知道中国？
3·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。
4·"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！”
5·She did not know what to say, so she did not say anything.
她不知道该说什么，所以什么也没说。
6·I did not know Jamie had a knife.
我不知道杰米有把刀。
—— 《柯林斯英汉双解大词典》
7·He did not know how he ought to behave.
他不知道自己应该怎样表现。
—— 《牛津词典》
8·She does not know if he is alive or dead.
她不知道他是活还是死。
—— 《柯林斯英汉双解大词典》
9·They did not know whither they should go.
他们不知何去何从。
—— 《牛津词典》
10·They did not know what their captors planned for them.
他们不知道捉他们的人要对他们做什么。
—— 《柯林斯英汉双解大词典》