stolidity
  遲鈍,感覺痲木
  Sto·lid·i·ty n.  The state or quality of being stolid; dullness of intellect; obtuseness; stupidity.
     Indocile, intractable fools, whose stolidity can baffle all arguments, and be proof against demonstration itself.   --Bentley.
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  stolidity
       n 1: apathy demonstrated by an absence of emotional reactions
            [syn: emotionlessness, impassivity, impassiveness,
             phlegm, indifference, unemotionality]
       2: an indifference to pleasure or pain [syn: stoicism, stolidness]