painfulness
  痛,痛苦,可憐
  Pain·ful a.
  1. Full of pain; causing uneasiness or distress, either physical or mental; afflictive; disquieting; distressing.
  2. Requiring labor or toil; difficult; executed with laborious effort; as a painful service; a painful march.
  3. Painstaking; careful; industrious. [Obs.]
     A very painful person, and a great clerk.   --Jer. Taylor.
     Nor must the painful husbandman be tired.   --Dryden.
  Syn: -- Disquieting; troublesome; afflictive; distressing; grievous; laborious; toilsome; difficult; arduous.
  -- Pain*ful*ly, adv. -- Pain*ful*ness, n.
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  painfulness
       n : emotional distress; a fundamental feeling that people try to
           avoid; "the pain of loneliness" [syn: pain] [ant: pleasure]