名詞 working-class:

1. a social class comprising those who do manual labor or work for wages
   同義詞：labor, labour, working class, proletariat

形容詞 working-class:

1. of those who work for wages especially manual or industrial laborers- G.B.Shaw
   同義詞：propertyless, wage-earning, blue-collar
2. working for hourly wages rather than fixed (e.g. annual) salaries
   同義詞：wage-earning