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TAKE THE QUIZ“open a”
The following 3 entries include the term open a.
open a can of worms
idiom: to create a complicated situation in which doing something to correct a problem leads to many more problems
open a crack
idiom: to open (something, such as a door or window) slightly
open a Pandora's box
idiom: to cause many troubles and problems
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Merriam-Webster unabridged
