gran·dil·o·quence /grænˈdɪləkwən(t)s/
  誇張之言,豪語,豪言壯語
  Gran·dil·o·quence n. The use of lofty words or phrases; bombast; -- usually in a bad sense.
     The sin of grandiloquence or tall talking.   --Thackeray,
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  grandiloquence
       n : high flown style; excessive use of verbal ornamentation
           [syn: grandiosity, magniloquence, rhetoric]