stress·ful /ˈstrɛsfəl/
  stress·ful /ˈstrɛsfəl/ 形容詞
  Stress·ful a. Having much stress.
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  stressful
       adj : extremely irritating to the nerves; "nerve-racking noise";
             "the stressful days before a war"; "a trying day at the
             office" [syn: nerve-racking, nerve-wracking, trying]