di·a·tribe /ˈdaɪəˌtraɪb/
  惡罵,誹謗
  Di·a·tribe n.  A prolonged or exhaustive discussion; especially, an acrimonious or invective harangue; a strain of abusive or railing language; a philippic.
     The ephemeral diatribe of a faction.   --John Morley.
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  diatribe
       n : thunderous verbal attack [syn: fulmination]