noun
heavy labor; hard work
General term for physically demanding or strenuous work, often used in everyday contexts.
建設現場の仕事は重労働だ。
Work at a construction site is heavy labor.
この荷物を運ぶのは重労働
Carrying these packages is hard work.
noun
hard labor (in prison)
Specifically refers to penal labor imposed as part of a prison sentence.
彼は重労働の刑に服している。
He is serving a sentence of hard labor.