The drive is a slow and toilsome ascent of three hours and a half.
It was like a toilsome passage through the workings of an iron mine.
This was at eight or nine in the morning, after many hours' toilsome march.
It was a toilsome and dreary march, unrelieved by aught to lessen the fatigue.
The third day of my toilsome journey was drawing to a close.
And the burdensome ...