four o'clock
`` Do you remember the gentleman that came down to Audley with me , Smithers ? '' asked Robert . `` Well , to tell you the real truth , Mr. Audley , I ca n't say that I do . You came by the four o'clock , if you remember , and there 's always a good many passengers by that train . '' `` You do n't remember him , then ? '' `` Not to my knowledge , sir . '' `` That 's provoking !