deafness
  聾,不聽
  Deaf·ness n.
  1. Incapacity of perceiving sounds; the state of the organs which prevents the impression which constitute hearing; want of the sense of hearing.
  2. Unwillingness to hear; voluntary rejection of what is addressed to the understanding.
  Nervous deafness, a variety of deafness dependent upon morbid change in some portion of the nervous system, especially the auditory nerve.
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  deafness
       n : partial or complete loss of hearing [syn: hearing loss]