1. 1 〔効き目〕(an) effect ((on)); 〔結果,できばえ〕((have, produce)) a result; 〔薬などの〕effectiveness; ((文)) efficacy

    効果的/効果のある effective

    効果的に effectively

    • それはかなりの効果があった
    • It was quite effective.
    • それは効果のありそうな計画だ
    • The plan 「seems likely to bring good results [sounds promising].
    • これは劇的な効果を生むだろう
    • This will have [achieve/get] dramatic results.
    • 友人の忠告も彼には効果がない
    • His friends' advice doesn't have any effect on him.
    • 彼の努力は効果がなかった
    • His efforts came to nothing.
    • 彼の発言は意図した効果をもたらさなかった
    • His remarks did not have the intended effect.
    • 即座に薬の効果が現れた
    • The medicine worked instantly.
    • 効果が現れるまでには多少時間がかかる
    • It will take some time before we get [obtain] the desired results.
    • 彼の行動は選挙区向けの効果をねらったものだ
    • His behavior was designed purely for effect in his election district.
    • 紫色の効果的な使い方がこの絵に特殊な魅力を与えている
    • The effective use of purple gives a special charm to the painting.
  1. 2 〔柔道で〕
    • 効果あり
    • Kouka!
  1. 効果係 〔芝居などの〕a sound effects man
  1. 効果てき面
    • 彼の威嚇的な言葉は少年たちに効果てき面だった
    • His threats had an immediate effect on the boys.
    • この薬はせきに効果てき面だ
    • This medicine gives immediate relief for coughs.