鋭い
  するどい
  adjective (keiyoushi)
  sharp (blade)
  pointed
  sharp (pain)
  stabbing
  cutting (remark)
  stinging
  pointed (question or look)
  screeching (noise)
  perceptive
  keen
  quick (mind)
  astute
  shrewd
  discerning
  nimble
  agile
  quick
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