n. 1.知识；学识，学问。 2.了解，理解；消息。 3.认识。 4.〔古语〕学科。 5.〔古语〕性关系。 短语和例子 book knowledge书本知识。 K- is power. 〔谚语〕知识就是力量。 practical knowledge实际的知识。 secondhand knowledge第二手知识，传授来的知识。 working knowledge of French 法语知识学到能应用的地步。 I have no knowledge of London. 我对伦敦毫无所知。 It is within your knowledge that ... 这是你所知道的。 The knowledge of our victory caused great joy. 我们获得胜利的消息传来，万众欢腾。 perceptual knowledge感性认识。 logical [rational] knowledge理性认识。 the theory of knowledge【哲学】认识论。 branches of knowledge学科。 carnal knowledge性经验；【法律】性关系。 come to sb.'s knowledge被某人知道。 common [general] knowledge众所周知，常识。 grow out of (sb.'s) knowledge被忘掉了。 have some [a general, a thorough] knowledge of 懂得一点，懂得一个大概，精通。 not to my knowledge我知道并不是那样。 out of all knowledge(变得)认不出来，无法辨认。 to my knowledge据我知道。 to sb.'s certain knowledge据某人确知。 to the best of my knowledge据我所知，就我所知而论(＝so far as I know)。 Too much knowledge makes the head bald. 〔谚语〕知识太多老得快。 without sb.'s knowledge 不通知某人，背着某人。
the psychological result of perception and learning and reasoning 同义词：cognition, noesis,
Knowledge is a familiarity with someone or something, which can include facts, information, descriptions, or skills acquired through experience or education. It can refer to the theoretical or practical understanding of a subject.
例句与用法
1.
Why do you have so much medical knowledge ? 你为何有这么多医学知识？
2.
His knowledge merely drives him to madness . 他的感受把他逼得发了疯。
3.
He denied any knowledge of their plans . 他声称对他们的计划一无所知。
4.
She has a passable knowledge of japanese . 她的日语（知识）还可以。
5.
I have only a sketchy knowledge of geography . 我对地理只是一知半解。
6.
His knowledge spans many different areas . 他的知识遍及许多不同领域。
7.
He sold the car without his wife 's knowledge . 他瞒着妻子把汽车卖了。
8.
Practice is the fountainhead of knowledge . 实践是获得知识的源泉。
9.
He is a man of wide knowledge and experience .. 他这人经历多，见识广。
10.
I shall desire more love and knowledge of you . 我希望能再多和您来往。
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