ten o’clock at night
I 'm going out and may not be in till daybreak . '' `` You ! going out ! at ten o'clock at night , tired as you are -- as we both are ! What has happened -- Oh ! '' This broken exclamation escaped me as I perceived in the dim background by the sitting-room door , the figure of a man who called up recent , but very thrilling experiences . `` Mr. Sweetwater , '' explained George .