four o’clock
`` Servez-vous mon garcon , '' said he blandly , when I had put a couple of huge lumps of continental sugar into his cup . `` And now tell me why you stayed so long at Mdlle . Reuter 's . I know that lessons conclude , in her establishment as in mine , at four o'clock , and when you returned it was past five . '' `` Mdlle . wished to speak with me , monsieur . '' `` Indeed !