a/one step ahead of

a/one step ahead of
 a/one step ahead of
  1 : better prepared than (someone or something)
   The teacher really has to work to keep one step ahead of the class.
   She always seems to be one step ahead of me.
  2 : able to avoid being caught or found by (someone or something)
   So far the killer has managed to stay one step ahead of the police/law. [=managed to avoid being caught by the police]
 • • •
 Main Entry: step

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