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construction worker; laborer (labourer); navvy
若い頃は学費を稼ぐために土方をした。
When I was young, I worked as a construction laborer to earn my tuition.
土方たちは日陰で休んだ。
The laborers rested in the shade.
父はきつい土方仕事も人を強くすると言っていた。
My father used to say that even tough manual labor builds character.