familiar

a. 熟悉的, 常见的, 亲密的
n. 熟友, 常客
相关词组:
be familiar to...
be familiar with...
be on familiar terms with...

副词:familiarly 

fa.mil.iar

adj.Abbr. fam.（形容词）缩写 fam.
Often encountered or seen; common.
通常的：经常看到的或经历的；普通的
Having fair knowledge; acquainted:
熟知的；通晓的：
例句：
was familiar with those roads.
熟知那些路

Of established friendship; intimate:
亲密的：稳固的友谊；暧昧的：
例句：
on familiar terms.
关系亲密

Natural and unstudied; informal:
自然的；非正式的：
例句：
lectured in a familiar style.
演讲自然

Taking undue liberties; presumptuous:
放肆的；冒昧的：
例句：
Students should not try to be familiar in their behavior toward an instructor.
学生在老师面前不应举止随便

Familial.
家庭的
Domesticated; tame. Used of animals.
驯服的：家养的；驯服的。用于动物
n.Abbr. fam.（名词）缩写 fam.
A close friend or associate.
好友：亲密的朋友或伙伴
An attendant spirit, often taking animal form.
守护精灵：一种伴随的心灵，通常体现在动物身上
One who performs domestic service in the household of a high official.
仆役：高级官员家中做家庭服务工作的成员
A person who frequents a place.
常客：经常到某地的人

来源：
Middle English
中古英语
from Old French familier
源自 古法语 familier
from Latin famili3ris [domestic]
源自 拉丁语 famili3ris [家庭的]
from familia [family] * see family
源自 familia [家庭] *参见 family

【引伸】
famil.iarly
adv.（副词）
<参考词汇><同义词>familiar,close,intimate,confidential,chummyThese adjectives describe relationships marked by intimacy.
这些形容词表示关系亲近。
Familiar implies an easy, often informal association based on frequent contact or shared interests:
Familiar 指随便，尤指因长期相识而不拘礼节或共享乐趣：
例句：
a familiar song;
共同欣赏的歌曲；

例句：
a familiar guest.
亲密的客人。

Close implies strong emotional attachment:
Close 含有强烈的爱慕：
例句：
close friendship;
密友；

例句：
close to my brothers and sisters.
与兄弟姐妹间的亲密无间。

Intimate suggests bonds of affection or understanding resulting from the sharing of interests, problems, and experiences:
Intimate 强调在共享乐趣、经历或共同解决困难基础上建立起来的感情和理解上的密切关系：
例句：
intimate friends;
密友；

例句：
on an intimate footing.
温暖的立足之地。

Confidential suggests closeness founded on trust:
Confidential 强调建立在信任的基础上：
例句：
the prime minister`s confidential secretary.
值得总理信赖的秘书。

Chummy implies the comfortable, casual sociability shared by close friends:
Chummy 指亲密朋友间随便的、稳定的、倾心吐腹的交情：
例句：
The bartender was chummy with the regular customers. See also Synonyms at common
酒吧招待员与老主顾们结为密友 参见同义词 common