In the first-line trenches they could see no one and felt uncertain what to do.
He had watched their advance from the first-line British trench.
Sleep is a luxury indulged in but rarely in the first-line trenches.
The intense heat created a great demand for water for the first-line troops.
The first-line Turk has many fine qualities, of which generosity and gallantry are not the least.
Well be going through the first-line defense belt in a few minutes.
The enemy had abandoned the first-line positions, and we met with but little resistance in the second.
The two-year men serve five years with the first-line reserve, and the three-year men four years.
Further north the enemy's first-line system for a distance of about half a mile beyond Beaumont Hamel was also in our hands.
Eagerly, expectantly, the boys gathered in the first-line trenches to watch the fun.