open can of worms

convolute impede involve muddle obscure perplex upset

bedevil clog combine confound derange disarrange disorder elaborate embroil entangle fold interrelate interweave jumble multiply ravel snafu snag tangle twist

add fuel to fire foul up infold interfuse make intricate make waves mix up muck up render unintelligible screw up snarl up

clear up enlighten explain order

arrange clarify divide exclude free straighten uncomplicate untangle untwist

disentangle ease facilitate make simple