familiarity

名词 familiarity:

1. personal knowledge or information about someone or something
   同义词：acquaintance, conversance, conversancy
2. usualness by virtue of being familiar or well known
3. close or warm friendship
   同义词：intimacy, closeness
4. a casual manner
   同义词：casualness
5. an act of undue intimacy
   同义词：impropriety, indecorum, liberty

1. Marked by close acquaintance, association, or familiarity.
   亲密的以密切的相识、联系或熟悉为标志的
2. His familiarity with the local languages surprised me.
   他对当地语言如此精通令我吃惊。
3. Try to discourage such familiarities from your subordinates.
   不要让属下对你这样不拘礼仪。

fa.mil.iar.i.ty

n.（名词）
【复数】 fa.mil.iar.i.ties
Considerable acquaintance with.
熟悉：与某人相当熟知
Established friendship; intimacy.
亲密：稳固的友谊；亲密

An excessively familiar or informal act; an impropriety.
不拘礼仪：过分亲密或不拘礼仪的行为；不得体的行为
A sexual advance.
性方面的亲狎
The quality or condition of being familiar.
熟悉，通晓：熟悉的特点或状态