Bitzer picked up his cap, which the concussion had knocked off; and backing, and knuckling his forehead, pleaded that it was an accident. 查尔斯·狄更斯.艰难时事.
Thank you, ma'am,' said Bitzer, knuckling his forehead again, in return for the favour of Mrs. Sparsit's improving conversation. 查尔斯·狄更斯.艰难时事.
The light porter placed the tea-tray on it, knuckling his forehead as a form of homage. 查尔斯·狄更斯.艰难时事.