He came from an aspiring working-class background.

他出身于有抱负的工人阶级家庭。

《牛津词典》

The Warners were from a Jewish working-class background.

沃纳一家人是犹太工人阶级出身。

《柯林斯英汉双解大词典》

The parvenu was much too foxy to let slip even a hint of his working - class background.

暴发户十分狡猾，他决不暴露自己是工人出身这一事实。

youdao

Critics say the national exam is biased, since it presumes a level of knowledge and cultural background that students from working class families may not have.

VOA: standard.2010.02.02

Let me give a little bit background on positive psychology: how we came about and how this class came about.

下面介绍一下积极心理学的背景：,它是如何诞生的，这门课是如何诞生的。

哈佛公开课 - 幸福课课程节选

All three outcomes were more common in women and those from a working-class background.

BBC: Child headaches 'a long-term pain'

Their success despite a working-class background appears to be the greatest source of frustration for critics.

CNN: Comment: Football star's lavish wedding a class issue

Instead, I am in the "precariat", which means I am likely to come from a working class background.

BBC: Class calculator: A US view of the class system