出身的英文：
family background
class origin

参考例句：

Of aristocratic origin
贵族出身

Was Born in the purple.
出身于王室

He comes from Ohio or thereabouts.
他出身于俄亥俄州或那附近。

io was of divine ancestry
伊俄出身于神祗世家。

Party activists with lower middle class pedigrees are numerous.
党内积极分子中中产阶级下层出身的很多。

The next President after Hayes was probably the last one that we'll ever see who was born poor.
海耶斯的下一任也许是我们能看到的最后一个出身贫寒的总统了。

He’s the black sheep of a lovely family—oh, how could any of the Butlers ever turn out anything like him?
他出身倒是好人哝，就他是个败家子—唉，巴特勒家的子孙怎么会出这么个败类

He was born of a working - class family.His father was a humble dustman,one of Nature's gentlemen.
他出身于工人阶级家庭。他爸爸是个地位低下的清洁工人，对人客客气气，遇事替人着想。

No wonder Charles had been a sissy, coming from a home like this.
毫不奇怪，查尔斯出身于这样一个家庭，便变得像个小女孩子。

Enesco:Romanian-born violinist and composer whose works include the opera Oedipus (1936) and three symphonies.
"艾内斯科:罗马尼亚出身的小提琴家及作曲家,其作品包括歌剧《奥狄帕斯》(1936年)及三部分交响乐."

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？

background是什么意思：
n. 背景
adj. 背景的

melt into the background
逐渐消失|渐渐由浓变淡

The CSS background properties define the background effects of an element.
层叠样式表中的背景属性为元素定义了一个背景效果。

There is a sense of aliveness in the background.
在背景上有一种活力的感觉。

class是什么意思：
n. 班级；阶级；种类
v. 分类；把…分等级
adj. 很好的

It is a step class.
这是踏板操训练班。

The class dismissed.
下课了。

The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。