blue-collar

Từ điển Oxford Advanced Learner 8th

ˌblue-ˈcollar [blue-collar] BrE NAmE adjective only before noun
connected with people who do physical work in industry
•blue-collar workers/voters/votes
compare ↑pink-collar, ↑white-collar

• Từ đồng nghĩa / Synonyms:
  propertyless, wage-earning, working-class