Catherine and Isabella were sitting in the library, on hostile terms, but silent: the latter alarmed at her recent indiscretion, and the disclosure she had made of her secret feelings in a transient fit of passion; the former, on mature consideration, really offended with her companion; and, if she laughed again at her pertness, inclined to make it no laughing matter to her. 
Catherine and Isabella were sitting in the library, on hostile terms. 