1.
Man, poor creature, .is nothing more than the sport of the inscrutable wind of fortune.
人就是可怜地被不可知的“风”支配着！
2.
Really? I didn't know.
真的？我可不知道。
3.
perceptible by the senses especially the sense of touch.
可感知的、特别是通过触摸可以感知的。
4.
His ignorance is incurable.
他的无知是不可就药的。
5.
the near or foreseeable future.
不久远的、可预知的未来。
6.
The tragedy is not in not knowing, But in not knowing that you don't know.
可悲的不在于无知，而在于不知道自己的无知。
7.
To be ignorant of one′ s ignorance is the malady of the ignorant.
不知道自己的无知正是无知者的可悲之处。
8.
He knew that it was impossible.
他知道那是不可能的。
9.
She has a passaBle knowledge of history.
她的历史知识还可以。
10.
having unpredictable ups and downs.
不可预知的上下移动。
11.
The experiencial knowledge is indispensible.
经验知识是必不可少的
12.
His failure is ascribable to innocence.
他的失败可归咎于无知。
13.
Xiao Yang may know his address.
小杨可能知道他的地址。
14.
The Gato is real, all right?
嘎图可是真的, 知道吗?
15.
She has a passable knowledge of Japanese.
她的日语(知识)还可以。
16.
an unpredictable phenomenon.
一种不可预知的现象。
17.
His knowledge of geography is negligible.
他的地理知识少得可怜。
18.
Well, I hope you know enough.
嗬，你的知识可真渊博啊！