Pan·de·mo·ni·um /ˌpændəˈmoniəm/
  群魔殿;地獄
  Pan·de·mo·ni·um n.
  1. The great hall or council chamber of demons or evil spirits.
  2. An utterly lawless, riotous place or assemblage.
  3. A condition of unrestrained disorder and chaotic, riotous uproar.
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  pandemonium
       n : a state of extreme confusion and disorder [syn: chaos, bedlam,
            topsy-turvydom, topsy-turvyness]