书香门第的英文：
a scholarly family; a family of scholars

参考例句：

He was born into a wealthy intellectual family and developed a generous character.
他出身出书香门第，家境优裕，他为人宽厚

scholarly是什么意思：
adj. 博学的；学术的，学术性的

That's the silly talk of scholarly people.
那是有学问的人说的傻话。

Spectacles gave her a scholarly look.
戴着眼镜使她看起来很博学。

There are always scholarly disputes among scholars.
学者之间总会有学术争论。

family是什么意思：
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？

scholars是什么意思：
n. 学者；获奖学金的学生

She impressed me as a scholar.
她给我留下了学者的深刻印象。

Today is the scholar of yesterday
今天是昨天的学者

The scholar is a well of knowledge in Physics.
这个学者是物理知识的富足来源。