en·nui /ˌɑnˈwi/
  倦怠,厭倦
  En·nui n.  A feeling of weariness and disgust; dullness and languor of spirits, arising from satiety or want of interest; tedium.
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  ennui
       n : the feeling of being bored by something tedious [syn: boredom,
            tedium]