1.
received flowers from an unknown admirer.
从一个不知其名的敬慕者那儿收到鲜花
2.
She received flowers from an unknown admirer this afternoon.
她今天下午从一个不知其名的敬慕者那儿收到鲜花
3.
Used with somebody's name to show that the speaker does not know the person
用於姓名之前表示说话者不知其人
4.
He is read a book, the name of which I do not know.
他正在读一本书, 其书名我不知道。
5.
He be read a book, the name of which i do not know .
他正在读一本书,其书名我不知道。
6.
And suppose I don't know either the title or the author,
假设我既不知道书名，又不知道作者名，
7.
"I do not know its name; I call it the Way. If forced to define it, I shall call it supreme. Supreme means absolute. Absolute means extending everywhere. Extending everywhere means returning to itself."
吾不知其 名,强字之曰道,强为之名曰大。大曰逝,逝曰远,远曰反。。
8.
In a way not specified, understood, or known.
以某种方式以某种不特定、理解或不知道的方式.莫名其妙地。
9.
Many other lesser-known figures have punctuated English literature as well.
其他许多较不知名的作家也不时出现在英语文学中。
10.
Knowing it's so, But don't know why it's so
知其然,不知其所以然
11.
It does not know their names, even.
甚至不知道他们的名字。
12.
"I don't know your name," he said.
“我不知道尊姓大名,”他说。
13.
I don't know your real name.
我不知道你的真实姓名。
14.
the unknown radioactive element
不知名的放射性元素
15.
His name was unknown to the world.
他的名字不为世人所知。
16.
having no known name or identity or known source.
不知道姓名或身份，或者不知道来源。
17.
then even if you don't know either the title or the author,
即使你既不知书名也不知作者，
18.
David looked at Arthur and, without any reason, he felt a strange sympathy for the boy.
大卫望着阿瑟，不知为了什么他对这个孩子产生了莫名其妙的同情。