idiom > take sb.at a disadvantage
Contents
People do not prepare by
  Riddle: Good; truck
No. 2
  By: taking advantage of. Taking advantage of something other people do not precautionary.
Translated by Google
English Expression
  1. n.:  take sb.at a disadvantage,  catch sb. napping,  catch sb. bending,  catch sb. off one's guard,  catch sb. on the hop,  catch a weasel asleep
Containing Phrases
on the `hop unprepared