1.
Reading, therefore, is an act consisting of two sides, the author and the reader.
由是可知读书有二方面，一是作者，一是读者。
2.
The people should be told to do this or that without telling them why
民可使由之,不可使知之
3.
In his ignorance he pledged himself that this was impossible.
由于他的愚昧无知，他坚持认为这是不可能的。
4.
By above knowable, grow factor is generation of cell of human body oneself.
由以上可知，生长因子是人体自身细胞产生的。
5.
He may know that history is the foe of permanence, but no leader is entitled to resignation.
他可能知道，历史是不会永久不变的，但是，没有一个领袖听天由命。
6.
Cultivars from seeds for which the parentage is unknown may not be registered.
由种子开始培养，若是不知道父本母本的品种，不可以登录。
7.
He accepted the possibility that gases which were known to him did not consist of separate atoms.
他承认，他所知道的气体可能不是由单个原子构成。
8.
Given such knowledge, technology, and skill, a journey from China to America is entirely possible.
由于具备这些知识、技术和技巧，从中国远航到美洲是完全可能的。
9.
"I wish to know if, in demanding my signature, you leave me entirely free in my person?"
“我希望知道：在我签字以后，您是否可以让我的行动完全自由？”
10.
"Because of my heavy cold, I wonder if I can postpone my appointment till some other time."
由于我得了重感冒，不知是否可以把我的约会时间缓延几天。
11.
The reason he gave on his death-bed, so to spedk, was enough; especially to those who knew him.
他临死时说的那个理由，也可说已经足够了；尤其是对于知道他的人。
12.
Gamla Stan is the oldest part of Stockholm, hence the name.
格拉斯坦是斯德哥尔摩最老的城镇，由名字即可得知。
13.
Moreover, we already know from general relativity that space is flexible.
此外，我们已经由广义相对论得知，空间是可弯曲变动的。
14.
He knew only that it was impossible to count them, and that this was somehow due to the mysterious identity between five and four.
他只知道要数清它们是不可能的，这是由于神秘地，四就是五，五就是四。
15.
Because of something unexpected, I wonder if I can change my appointment from Tuesday to Friday .
由于想不到的原因，我不知道是否可以把约会时间由星期二改到星期五。
16.
Second ,due to the use of a fine-segmantation /verification process guided by domain-knowledge in the strategy, it is high in reliability ,low in the false alarm probability for object recognitions.
二是由于加入了由领域知识导引的细分割/验证过程,因而具有可靠性高、目标识别虚警少的特点。
17.
He didn't know that there was much ground for complaint.
他可不知道有多少可抱怨的理由。
18.
Confucius said: "Yu, shall I teach you about knowledge? What you know, you know, what you don't know, you don't know. This is knowledge."
子曰:「由、诲女知之乎。知之为知之,不知为不知,是知也。」