I still think of myself as a blue-collar worker.

我还是把自己当作一个蓝领工人。

youdao

Michelle, her dad worked as a blue-collar worker for the City of Chicago.

WHITEHOUSE: Discussing the Economy in Richmond

And I share this often -- as many of you know, my father was a blue-collar worker at the city water plant.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

He was a blue-collar worker, worked at a pumping station in Chicago.

WHITEHOUSE: Remarks by the President at a Campaign Event