c. 1200, "closeness of personal association, intimacy," from Old French familiarite and directly from Latin familiaritatem (nominative familiaritas) "intimacy, friendship, close acquaintance," from familiaris "friendly, intimate" (see familiar). Meaning "undue intimacy" is from late 14c. That of "state of being habitually acquainted" is from c. 1600.
权威例句
1. Tony was unnerved by the uncanny familiarity of her face.
怪异的是,她看起来竟有些面熟,这让托尼心慌意乱。
2. He had behaved with undue and oily familiarity.
他表现得过于亲热,媚态毕现。
3. His familiarity with the language helped him enjoy his stay.
他通晓这种语言,所以逗留期间过得很惬意。
4. He treated her with the easy familiarity of an equal.