Ten o'clock sharp
He can smell Germans in the dark . '' `` That does n't take much doing , '' smiled Dennis . `` They 're a filthy crowd , anyhow . Ten o'clock sharp ! And ask Smithers if that kettle 's boiling . '' Harry Hawke had scarcely removed his drab figure from the doorway when Captain Dashwood blotted out the light and dived in upon them with a dexterity born of much practice . His greeting with the Australian cousin was warm enough , but they both saw something unusual in his face as Dan squeezed up on the cot and made room for him .