so·lil·o·quy /səˈlɪləkwi/
  自言自語,獨白
  So·lil·o·quy n.; pl. Soliloquies
  1. The act of talking to one's self; a discourse made by one in solitude to one's self; monologue.
     Lovers are always allowed the comfort of soliloquy.   --Spectator.
  2. A written composition, reciting what it is supposed a person says to himself.
     The whole poem is a soliloquy.   --Prior.
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  soliloquy
       n 1: speech you make to yourself [syn: monologue]
       2: a (usually long) dramatic speech intended to give the
          illusion of unspoken reflections