名詞 familiarity:

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

1. Marked by close acquaintance, association, or familiarity.
   親密的以密切的相識、聯(lián)系或熟悉為標志的
2. His familiarity with the local languages surprised me.
   他對當?shù)卣Z言如此精通令我吃驚。
3. Try to discourage such familiarities from your subordinates.
   不要讓屬下對你這樣不拘禮儀。

fa.mil.iar.i.ty

n.（名詞）
【復數(shù)】 fa.mil.iar.i.ties
Considerable acquaintance with.
熟悉：與某人相當熟知
Established friendship; intimacy.
親密：穩(wěn)固的友誼；親密

An excessively familiar or informal act; an impropriety.
不拘禮儀：過分親密或不拘禮儀的行為；不得體的行為
A sexual advance.
性方面的親狎
The quality or condition of being familiar.
熟悉，通曉：熟悉的特點或狀態(tài)