answer: #Person1# warns #Person2# to keep eyes skinned for the guy peeping into the shop.
documents: #Person1#: I'll be away for a moment. 
  #Person2#: Yes? Anything I can do for you? 
  #Person1#: Look! I'v been watching that man down in the street. He keeps peeping into the shop. Keep your eyes skinned for that guy, will you? 
  #Person2#: Ok.