And as Emmy did not say much or plague him with her jealousy, but merely became unhappy and pined over it miserably in secret, he chose to fancy that she was not suspicious of what all his acquaintance were perfectly aware--namely, that he was carrying on a desperate flirtation with Mrs. Crawley. 
And as Emmy did not plague him with her jealousy, but merely pined over it miserably in secret, he chose to imagine that she did not suspect what all his acquaintance knew - namely, that he was carrying on a desperate flirtation with Mrs. Crawley.
