Pedestrians, i.e. poorer folks, kept to the right.

而行人，也就是较穷的人，则保持在右侧。

Even then it was no easy matter to keep to the right track, for the moon had not yet risen, and the high cliffs on either side made the obscurity more profound.

虽然他找到了这条熟路，可是现在要沿着这条小路不再走错，也非易事。因为月亮还未升起，小路两边绝壁高耸，使得道路格外黑暗难行。

And as she walked toward me, rather than keeping to the right, she was slowly but surely walking sort of at me so that I had to move further and further to the right.

当她朝我走来时，她并没有靠右行走，她慢慢地、可靠地朝我走来，以至于我不得不不断地向右边移动。