They have to use the roads to get to us because the ground is so boggy.

The creek is so boggy that we cannot cross it, and must follow it round to-morrow.

The country became so boggy after seven miles that we were unable to proceed further than eleven miles.

I was obliged to stop at this point, as I could not cross the creek, the banks being so boggy.

It yielded to the footstep, and below was soft mud, which rapidly grew so boggy as to stop their progress.

The country is so boggy that I cannot proceed to-day, but if it continues fair I shall attempt it to-morrow morning.

The country was so boggy from the heavy rains, that for the sake of my horse I was obliged to stop early.

The ground proved so boggy as to be impassable, and Frederick withdrew into the wood again, in order to attack the Austrian left.