can of worms

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can of worms ‎(plural cans of worms)

  1. (idiomatic) A complex, troublesome situation arising when a decision or action produces considerable subsequent problems.
    If someone gets a promotion that might not be deserved, it could open up a whole can of worms with the other employees.
  2. (idiomatic) A troublesome situation; an issue whose resolution is difficult or contentious, but not necessarily complex.
    Questioning the decision would definitely open a can of worms.


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