Read it through once

He advanced toward the Marchioness and Newland with his usual half-sneering smile. "Hullo, Medora! Did the trotters do their business? Forty minutes, eh? ... Well, that's not so bad, considering your nerves had to be spared." He shook hands with Archer, and then, turning back with them, placed himself on Mrs. Manson's other side, and said, in a low voice, a few words which their companion did not catch.