The pair speak softly; their words are not distinguishable. To remain a moment to gaze is not to be an eavesdropper; and as the moon shines so clearly and their countenances are so distinctly apparent, who can resist the attraction of such interest? Caroline, it seems, cannot, for she lingers.

The pair speak softly - Caroline cannot hear them. She is not eavesdropping; and so she lingers.
