about ten o'clock
`` The best reform we have carried is throwing the kitchen and cellar open to the undergraduates . '' `` W-h-e-w ! That 's just the sort of reform we should have appreciated . Fancy Drysdale 's lot with the key of the college cellars , at about ten o'clock on a shiny night . '' `` You do n't quite understand the reform . You remember , when you were an undergraduate you could n't give a dinner in college , and you had to buy your wine anywhere ? '' `` Yes .