Read it through once

She had no fear of its spreading farther, through his means. There were few people on whose secrecy she would have more confidently depended; but at the same time there was no one whose knowledge of a sister’s frailty would have mortified her so much. Not, however, from any fear of disadvantage from it individually to herself; for at any rate there seemed a gulf impassable between them. Had Lydia’s marriage been concluded on the most honourable terms, it was not to be supposed that Mr. Darcy would connect himself with a family, where to every other objection would now be added an alliance and relationship of the nearest kind with the man whom he so justly scorned.