acquaintance和know的区别?

know 知道
acquaintance
[E5kweintEns]
n.
相识, 熟人

acquaintance
[E5kweIntEns]
n.
熟悉；熟知
I have some acquaintance with the Russian.
我懂一点儿俄语。
The guide has some acquaintance with Italian.
导游懂得一点意大利语。
相识的人，熟人

acquaintance
AHD:[…-kw³n“t…ns]
D.J.:[*6kweint*ns]
K.K.:[*6kwent*ns]
n.
Knowledge of a person acquired by a relationship less intimate than friendship.
认识，相识，了解对一个不象朋友那样亲密的人的了解
A person whom one knows.
熟人所认识、了解的人
Knowledge or information about something or someone.
认识，了解关于某人或某事的情况和了解

acquain“tanceship” n

acquaintance
[E5kweintEns]
n.
熟悉, 认识
熟人, 相识
知识, 心得, 感性认识
a speaking acquaintance
泛泛之交
I have no acquaintance with this book.
我不熟悉这本书。
I have some acquaintance with English, but I do not know it well.
我稍懂些英语, 但并不精通。
He has a large circle