阻礙 [ㄗㄨˇ ㄞˋ; zu3 ai4]
  to obstruct
  to hinder
  to block
  obstruction
  hindrance
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  阻害
  阻礙
  阻碍
  そがい
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  nouns which may take the genitive case particle `no'
  obstruction
  inhibition
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