be caught off (one's) guard

be caught off (one's) guard

To be taken by surprise; to be caught when one is vulnerable, careless, or inattentive. We'll wait until he's caught off guard, and then we'll take him and his company for all they're worth! Don't be caught off your guard. There are a lot of suspicious characters around here.
See also: caught, guard, off
Farlex Dictionary of Idioms.
See also:
  • be caught with (one's) trousers down
  • be caught with your pants down
  • be caught with (one's) pants down
  • caught with one's pants down, be
  • caught
  • caught with (one's) pants down
  • caught bending
  • catch (one) by surprise
  • footed
  • with pants down