te·di·um /ˈtidiəm/
  冗長乏味,單調
  Te·di·um n.  Irksomeness; wearisomeness; tediousness. [Written also taedium.]
     To relieve the tedium, he kept plying them with all manner of bams.   --Prof. Wilson.
     The tedium of his office reminded him more strongly of the willing scholar, and his thoughts were rambling.   --Dickens.
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  tedium
       n 1: the feeling of being bored by something tedious [syn: boredom,
             ennui]
       2: dullness owing to length or slowness [syn: tediousness, tiresomeness]