known

动词 know:

1. be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about
   同义词：know, cognize, cognise
2. know how to do or perform something
   同义词：know
3. be aware of the truth of something; have a belief or faith in something; regard as true beyond any doubt
   同义词：know
4. be familiar or acquainted with a person or an object
   同义词：know
5. have firsthand knowledge of states, situations, emotions, or sensations
   同义词：know, experience, live
6. accept (someone) to be what is claimed or accept his power and authority
   同义词：acknowledge, recognize, recognise, know
7. have fixed in the mind
   同义词：know
8. have sexual intercourse with
   同义词：roll in the hay, love, make out, make love, sleep with, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, eff, hump, lie with, bed, have a go at it, bang, get it on, bonk
9. know the nature or character of
   同义词：know
10. be able to distinguish, recognize as being different
    同义词：know
11. perceive as familiar
    同义词：know

形容词 known:

1. apprehended with certainty

1. He is the most diligent student that I have ever known.
   他是我所知道的最用功的学生。
2. If we had known of your departure, we would have seen you off at the airport.
   如果我们事先知道你要离开，我们会到机场送行。
3. The result of the poll won't be known until midnight.
   投票结果要到半夜才能知道。
4. I've known that all along.
   自始至终，那件事我都知道。
5. In Chinese, a computer is popularly known as an "electrical brain", for the working process of a computer is similar to a human brain very much.
   在中文里，计算机有一个人所共知的雅号：“电脑”。这是因为计算机的工作过程与人的大脑思维过程极为相似。
6. Mrs Brown is known as a social climber.
   布朗太太是有名的趋炎附势的人。
7. Your theory doesn't square with the known facts.
   你的说法跟已知的事实不符。
8. After chemical assay, we have known the composition of the ore.
   经过化学分析，我们知道了矿石的构成。

known

v.（动词）
Past participle of know
know的过去分词
adj.（形容词）
Proved or generally recognized:
已知的，闻名的：已证明或普遍认可的：
例句：
the only known case; a known authority.
唯一知道的案例；知名权威

n.（名词）
Something that is known:
已知的事情：
例句：
In this instance, the only known is our actual profit margin.
在这种场合下，唯一能知道的事是我们实际可得的利润