ten minutes to six
Well , I sha n't stay in any longer . '' He got up from his chair . `` And if Mrs. Chepstow should come , sir ? '' `` Explain to her that I waited till ten minutes to six and then -- '' He paused . The hall door-bell was ringing sharply . `` If it is Mrs. Chepstow , shall I admit her now , sir ? '' The doctor hesitated , but only for a second .