vociferation
  大聲叫嚷,喧嚷
  Vo·cif·er·a·tion n.  The act of vociferating; violent outcry; vehement utterance of the voice.
     Violent gesture and vociferation naturally shake the hearts of the ignorant.   --Spectator.
     Plaintive strains succeeding the vociferations of emotion or of pain.   --Byron.
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  vociferation
       n : a loud utterance; often in protest or opposition; "the
           speaker was interrupted by loud cries from the rear of
           the audience" [syn: cry, outcry, call, yell, shout]