爛熟 [ㄌㄢˋ ㄕㄨˊ; lan4 shu2]
  well cooked
  to know thoroughly
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  爛熟
  らんじゅく
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  noun or participle which takes the aux. verb suru
  overripeness
  full maturity (of)
  overmaturity
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