重労働 (juuroudou) Japanese meaning: heavy labor | KotomoraWork at a construction site is heavy labor.
Carrying these packages is hard work.
Usage patterns
〈人〉が重労働に従事するfor someone to engage in heavy labor
He has worked in heavy labor at the factory for many years.
〈人〉に重労働を課すto sentence someone to hard labor
The court sentenced the defendant to hard labor.
重労働に耐えるto endure heavy labor
She endures heavy labor every day.
重労働〈数〉年X years of hard labor (as a sentence)
He was sentenced to ten years of hard labor.