"There, you suspicious brute," she said, not sorry that Nana
was in disgrace. "They are perfectly safe, aren't they? Every
one of the little angels sound asleep in bed. Listen to their
gentle breathing."

Here Michael, encouraged by his success, breathed so loudly
that they were nearly detected. Nana knew that kind of
breathing, and she tried to drag herself out of Liza's clutches.

But Liza was dense. "No more of it, Nana," she said sternly,
pulling her out of the room. "I warn you if bark again I shall
go straight for master and missus and bring them home from the
party, and then, oh, won't master whip you, just."