She had not the faintest comprehension of his meaning, but she was naturally quick-witted, and felt it imperative to "keep her end up" as she phrased it.
Sometimes, she feigns ignorance because she finds it amusing.
mnli hypothesis: Sometimes, she feigns ignorance because she finds it amusing. premise: She had not the faintest comprehension of his meaning, but she was naturally quick-witted, and felt it imperative to "keep her end up" as she phrased it.