shrewdness as demonstrated by being skilled in deception
While Tom was eating his supper, and stealing sugar as opportunity offered, Aunt Polly asked him questions that were full of guile, and very deep -- for she wanted to trap him into damaging revealments.
a special advantage or immunity or benefit not enjoyed by all
The boys were all eaten up with envy -- but those that suffered the bitterest pangs were those who perceived too late that they themselves had contributed to this hated splendor by trading tickets to Tom for the wealth he had amassed in selling whitewashing privileges.
These two great commanders did not condescend to fight in person -- that being better suited to the still smaller fry -- but sat together on an eminence and conducted the field operations by orders delivered through aides-de-camp.
He worshipped this new angel with furtive eye, till he saw that she had discovered him; then he pretended he did not know she was present, and began to "show off" in all sorts of absurd boyish ways, in order to win her admiration.
Then her conscience reproached her, and she yearned to say something kind and loving; but she judged that this would be construed into a confession that she had been in the wrong, and discipline forbade that.
True, the knife would not cut anything, but it was a "sure-enough" Barlow, and there was inconceivable grandeur in that -- though where the Western boys ever got the idea that such a weapon could possibly be counterfeited to its injury is an imposing mystery and will always remain so, perhaps.
But when he emerged from the towel, he was not yet satisfactory, for the clean territory stopped short at his chin and his jaws, like a mask; below and beyond this line there was a dark expanse of unirrigated soil that spread downward in front and backward around his neck.