DICT.TW Dictionary Taiwan

 ret·ro·gress /ˌrɛtrəˈgrɛs/
 (vi.)倒退,退化,退步

 Re·tro·gress n.  Retrogression. [R.]
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 retrogress
      v 1: get worse; fall back to a previous or worse condition [syn:
           regress, retrograde] [ant: progress]
      2: go back to bad behavior; "Those who recidivate are often
         minor criminals" [syn: relapse, lapse, recidivate, regress,
          fall back]