She had even hired for that purpose a violinist from the theatre.

But when she cast a glance at me, she understood my feelings, and concealed her impression.

Then began the mutual trickery and deceit.
I smiled agreeably, pretending that all this pleased me extremely.

He, looking at my wife, as all debauches look at beautiful women, with an air of being interested solely in the subject of conversation,--that is, in that which did not interest him at all.
"She tried to seem indifferent.

But my expression, my jealous or false smile, which she knew so well, and the voluptuous glances of the musician, evidently excited her.