pain·ful /ˈpenfəl/
  (a.)痛苦的,困難的,令人煩惱的
  pain·ful /ˈpenfəl/ 形容詞
  疼痛的
  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.
  ◄ ►
  painful
       adj 1: causing physical or psychological pain; "worked with painful
              slowness" [ant: painless]
       2: causing misery or pain or distress; "it was a sore trial to
          him"; "the painful process of growing up" [syn: afflictive,
           sore]
       3: exceptionally bad or displeasing; "atrocious taste";
          "abominable workmanship"; "an awful voice"; "dreadful
          manners"; "a painful performance"; "terrible handwriting";
          "an unspeakable odor came sweeping into the room" [syn: atrocious,
           abominable, awful, dreadful, terrible, unspeakable]
       4: causing physical discomfort; "bites of black flies are more
          than irritating; they can be very painful" [syn: irritating]