one
o’clock
`` Certainly . She knows that I shall return by the quarter-to-eleven-o'clock train . '' Beauchene had sunk upon a chair : `` Ah ! my dear fellow , I 'm worn out , '' he continued ; `` I dined in town last night ; I got to bed only at one o'clock . And there was a terrible lot of work waiting for me this morning . One positively needs to be made of iron . '' Until a short time before he had shown himself a prodigious worker , endowed with really marvellous energy and strength .