• この一事でも彼の善良さが分かる
    • This one instance is enough to show his goodness.
    • 一事が万事で彼女はなんでもいい加減にやる
    • She does everything carelessly.
  1. 一事不再議the principle of not taking up an item once voted on during the same session
  1. 一事不再理prohibition against double jeopardy