cir·cum·lo·cu·tion /ˌsɝkṃloˈkjuʃən/
  婉轉曲折的說法
  Cir·cum·lo·cu·tion n.  The use of many words to express an idea that might be expressed by few; indirect or roundabout language; a periphrase.
     the plain Billingsgate way of calling names . . . would save abundance of time lost by circumlocution.   --Swift.
  Circumlocution office, a term of ridicule for a governmental office where business is delayed by passing through the hands of different officials.
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  circumlocution
       n 1: a style that involves indirect ways of expressing things
            [syn: periphrasis, ambage]
       2: an indirect way of expressing something [syn: indirect
          expression]