fretfulness
  焦躁
  Fret·ful a.  Disposed to fret; ill-humored; peevish; angry; in a state of vexation; as, a fretful temper. -- Fret*ful*ly, adv. -- Fret*ful*ness, n.
  Syn: -- Peevish; ill-humored; ill-natured; irritable; waspish; captious; petulant; splenetic; spleeny; passionate; angry.
  Usage: Fretful, Peevish, Cross. These words all indicate an unamiable working and expression of temper. Peevish marks more especially the inward spirit: a peevish man is always ready to find fault. Fretful points rather to the outward act, and marks a complaining impatience: sickly children are apt to be fretful. Crossness is peevishness mingled with vexation or anger.
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  fretfulness
       n : an irritable petulant feeling [syn: irritability, crossness,
            fussiness, peevishness, petulance, choler]