working class

Từ điển Oxford Advanced Learner 8th

the ˌworking ˈclass [working class working classes] BrE NAmE noun singular + singular or plural verb (also the ˌworking ˈclasses plural)
the social class whose members do not have much money or power and are usually employed to do ↑manual work (= physical work using their hands)
•the political party of the working class
•The working class has/have rejected them in the elections.
compare ↑middle class, ↑upper class
Derived Word: ↑working-class

Example Bank:
•If you were working class, going to university wasn't even an option.