名不正言不順 [ㄇㄧㄥˊ ˙ㄅㄨ ㄓㄥˋ ㄧㄢˊ ˙ㄅㄨ ㄕㄨㄣˋ; ming2 bu5 zheng4 yan2 bu5 shun4]
  unjustified and undeserving of such description
  identity or status is unverified, or inconsistent in detail
  unworthy of the title (or name), or reputation
  no valid reason as justification
  words without weight
  cf 名正言順
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