you can't make a silk purse of a sow's ear

谚语

英文释义

谚语
  1. It is not possible to produce something refined, admirable, or valuable from something which is unrefined, unpleasant, or of little or no value.

词源

From make a silk purse of a sow's ear, with the common perception of swine as unrefined, dirty, or base creatures.
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