seven o'clock
`` But you have n't the doctor 's permission to return . '' `` Damn the doctor ! '' I yelled , and disappeared . § 3 It was quite dark in the fire-trenches by seven o'clock . My men , with every stitch of equipment on their backs , stood on the firing-step and kept up a dilatory fire on the Turkish lines . `` Maintain an intermittent fire , '' I ordered , as I walked among them . `` Not too much of it , or the Turk will think we 're nervy , and begin to suspect -- not too little , or he 'll wonder if we 're moving . ''