世家的英文：
old and well-known family
A family of pedigree
世家,名门
A musical family
一个音乐世家
io was of divine ancestry
伊俄出身于神祗世家。
There are gentlemen of very good blood and fashion in this City who never have entered a lady’s drawing-room
在伦敦城里，有许多时髦的世家公子一辈子没有踏进女人的起坐间。
They really are a very ancient Norman family of the generalship of Caen
那的确是卡昂税区一家很老的诺曼底世家。
Io was of divine ancestry. Her father was the river-god Inachus, son of Oceanus.
伊俄出身于神祗世家，父亲是俄刻阿诺斯的儿子，河神伊那科斯。
adj. 年老的；陈旧的；古老的；以前的；原来的
n. 古时
The Old Mandarin
老官吏
You old misery!
你这个爱抱怨的老家伙！
It is an old aphorism.
这是一句老格言。
adj. 已知的；知名的；大家知道的
v. know的过去分词
This is a known fact.
这是众所周知的事实。
It is known as chiromancy.
手相术以此而闻名。
She is a nationally known writer.
她是全国知名作家。
n. 家，家庭；家庭成员；家世；子女
family friction
家庭的不和
There are often many nuclear families in one extended family.
在一个扩大的家庭中往往有多个核心家庭。
Which of you is the baby of the family?
你们当中谁是家中年龄最小的人？