1.  He speak German.

2.  The German spies wanted very much to get rid of him because he knew their secrets, but Hannay was a very clever and brave man.

3.  these words were said when he found the three German Spies but couldn't be sure if they were the right men.

4.  Let's see this, the German spies lived in an English house, and the British flag was flying in the garden.

5.  I want to illustrate this with a German story: A doctor killed his wife because he didn't love her, before the girl died, she vomited some blood on the doctor's arm.