プログレッシブ和英中辞典(第4版)の解説
こうか【効果】
❶〔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［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.
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 this painting.
❷〔柔道で〕
効果あり
Kouka!
効果係
〔人〕a sound effects man；〔部門〕a sound effects section
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.