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have an effect
/hæv ən ɪˈfɛkt/
影響を及ぼす
The new policy will have a significant effect on the economy.
新しい政策は経済に大きな影響を及ぼすだろう。
一般的
影響を与える、効果を及ぼす
Smoking can have a harmful effect on your health.
喫煙は健康に悪影響を及ぼす可能性がある。
The medicine had an immediate effect on reducing the pain.
その薬は痛みを和らげるのに即効性があった。
The speech had a profound effect on the audience.
その演説は聴衆に深い感銘を与えた。
Used to describe the result or influence of an action or event. Often followed by 'on' (e.g., 'effect on X').
関連フレーズ
プロのヒント
Collocation Practice
Pair 'have an effect' with adjectives like 'positive,' 'negative,' 'immediate,' or 'long-lasting' to sound more natural. Example: 'This policy will have a positive effect on the economy.'
ゴールデンルール
Preposition Usage
Always use 'on' after 'have an effect' when specifying what is being influenced (e.g., 'effect on health'). Avoid using 'to' or 'for' in this context.
語源
From Old English 'efect' (result, outcome), from Latin 'effectus' (accomplishment, performance), from 'efficere' (bring about, accomplish), from 'ex-' (out) + 'facere' (do, make). The phrase 'have an effect' emerged in Middle English as a way to describe the result of an action.
使用上の注意
1. Often used in scientific, medical, or formal contexts to describe measurable outcomes. 2. Can be followed by 'on' to specify the target of the effect (e.g., 'on the environment'). 3. In casual speech, 'make a difference' or 'impact' may be used instead.
単語の分解
have
持つ、与える
verban effect
影響、効果
noun phrase英和辞典