He said it looked strange that she should be alone with Mr.Egremont in the library every morning.

The woman that takes care of the place told him about it, and he's seen Thyrza himself coming away at dinner-time, when Mr.Egremont was there.

He says she goes to help him to put books on the shelves.

He spoke of it in a way that showed he was telling the story to all sorts of people, and in a way that means harm.

I'd sooner bite my tongue out than repeat such things about your sister, if it wasn't that you ought to know.