The trail was dipping downward now as he knew it must.

The trail had dipped, and the big mercenary had dropped out of the line of fire at the last moment.

Suddenly, the trail dipped into a hollow in the trees and we found their camp of the night before.

He had descended almost a thousand feet earlier, as the trail dipped and curved through a defile that opened deep into the mountain.

He traveled swiftly for an hour, and paused then to get his wind where the partly covered trail dipped down into a frozen swamp.

The trail dipped down and vanished under feeble ripples.

The trail dipped, twisted to the right, then left.

He stepped aside to let the work gang pass him as the trail dipped back into the jungle.

The trail dipped down and crossed a shallow river.

The trail dipped into a wide hollow, shadowy with evening, and somewhere a quail called.