Princess Mary well knew this mood of quiet absorbed querulousness, which generally culminated in a burst of rage, and she went about all that morning as though facing a cocked and loaded gun and awaited the inevitable explosion.
Her tone was now querulous and her lip drawn up, giving her not a joyful, but an animal, squirrel-like expression.
"Remember this, Prince Andrew, if they kill you it will hurt me, your old fatherů." he paused unexpectedly, and then in a querulous voice suddenly shrieked: "but if I hear that you have not behaved like a son of Nicholas Bolkonski, I shall be ashamed!"
He passed into the next room, and the deep, querulous sounds of his voice were at once heard from there.
"On the contrary," he said, in a querulous and angry tone that contrasted with his flattering words, "on the contrary, your excellency’s participation in the common action is highly valued by His Majesty; but we think the present delay is depriving the splendid Russian troops and their commander of the laurels they have been accustomed to win in their battles," he concluded his evidently prearranged sentence.
There are no more uses of "querulous" in the book.