However, most of the strenuous physical labor was the responsibility of the males.

He explained this as "wanting the solitude and the strenuous labors of the woods to help condition himself for the career that appeared before him."

He insisted, however, and thus it was that we were released on short notice from our strenuous academic labors.

Training camp began with light conditioning work, then progressed to "more strenuous labors."

Reference books state that the revival hit the parish with such power, he died as a result of his strenuous labours.

Prisoners were forced to work extremely strenuous labour for up to 14 hours in a single day.

The piece made us feel that our strenuous labors to master the notes and give them a musical shape mattered.

Emotional strain could have precisely the same physiological effect as strenuous physical labor.

She could hear men in the hallway, panting as if from strenuous labor, accompanied by a dragging sound.

These services have advantages that go beyond saving strenuous and time-consuming labor.