I rather think his appearance there was distasteful to Catherine; she was not artful, never played the coquette, and had evidently an objection to her two friends meeting at all; for when Heathcliff expressed contempt of Linton in his presence, she could not half coincide, as she did in his absence; and when Linton evinced disgust and antipathy to Heathcliff, she dared not treat his sentiments with indifference, as if depreciation of her playmate were of scarcely any consequence to her. 
I rather think Edgar's visits were distasteful to Catherine; she never played the coquette, and objected to her two friends meeting; for when Heathcliff expressed contempt of Linton in his presence, she could not agree; and when Linton showed disgust at Heathcliff, she dared not seem indifferent. 