lower-class

基本解释

Upper-class participants said 2.1% of incomes should be donated. Lower-class individuals felt that 5.6% was the appropriate slice.
上层社会参与者认为收入的2.1% 应被捐献, 而下层社会参与者认为5.6%更为合适.
The whole country’s future could look much as the present does for many lower-class African Americans: the mothers pull themselves up, but the men don’t follow.
整个国家的未来可能会像现在下层社会的非洲美国人那样，女性在努力提升自己生活，而男人却不上进。
her mind altered。She told her nurses that they were ‘lower-class scum’ and complained that I was ‘marrying the daughter of a New York yid’。
并改变了观点。她告诉护士：‘他们是低等的贱人’，还抱怨我‘娶了犹太裔纽约人的女儿’”。

This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.
但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。
普林斯顿公开课 - 人性课程节选
So lower-class people--now what happens, though, when you have--see your clients, your freedmen, your sons, your daughters, all these are part of this pyramid structure, and they all benefit from a strong paterfamilias, and he benefits by having a strong household and a large household.
所以低社会阶级的人。。。情况是。。。,你的被庇护人，自由人，儿子，女儿，都属于金字塔结构之一，他们都受益于强大的家长，家长也受益于强大家户。
耶鲁公开课 - 新约课程节选
So the Romans, for example, outlawed volunteer fire departments, in local places, because they were afraid that volunteer fire departments could be a place where locals, especially maybe lower-class locals, could get together and then start gossiping about what they could do to cause trouble for the Romans.
所以罗马人会，比如，会驱逐当地志愿消防部门，因为他们担心志愿消防部门,会成为当地人，尤其是下层阶级集会的场所，在那谋划如何,给罗马人制造麻烦。
耶鲁公开课 - 新约课程节选

Raising tariffs on these goods could harm millions of middle- and lower-class consumers.
FORBES: Magazine Article

Some people use the lower class or the lower classes to refer to the division of society that they consider to have the lowest social status.
Lower class is also an adjective.