Say, we won't get a thing but hard looks when we get back--if ever we do." "We'll be lucky if we get off with hard looks, I reckon," said Clint gloomily.
They went on through the woods.

They were tired now and it was quite dark under the trees and they made slow progress.

Once Clint tripped over a fallen branch and measured his length and once Amy ran head-on into a sapling and declared irately, as he rubbed his nose, that he would come back the next day with an axe and settle matters.

At last, after a silence of many minutes: "We're doing it, I'll bet you anything," said Amy.
"Doing what ?" asked Clint from the twilight.
"Walking in a circle.

We must be.