A1 noun خنثی

効果

/koːka/

The result or impact produced by an action, treatment, or cause. It is used to describe how well something works or the specific outcome achieved through effort or influence.

مثال‌ها

3 از 5
1

この薬はすぐに効果が出ます。

This medicine takes effect quickly.

2

新政策の経済的効果を検討する必要があります。

We need to examine the economic effects of the new policy.

3

この筋トレ、効果あると思う?

Do you think this workout is effective?

خانواده کلمه

اسم
効果
قید
効果的に
صفت
効果的
مرتبط
有効性
💡

راهنمای حفظ

Think of a 'Coca-Cola' (Kouka) commercial; the 'effect' of drinking it is supposed to be instant happiness and refreshment.

آزمون سریع

毎日の練習は、ピアノの上達に大きな___があります。

درسته!

پاسخ صحیح این است: 効果

مثال‌ها

1

この薬はすぐに効果が出ます。

everyday

This medicine takes effect quickly.

2

新政策の経済的効果を検討する必要があります。

formal

We need to examine the economic effects of the new policy.

3

この筋トレ、効果あると思う?

informal

Do you think this workout is effective?

4

実験により、その成分の抗酸化効果が証明された。

academic

The experiment proved the antioxidant effect of the component.

5

先月の広告はあまり効果がありませんでした。

business

Last month's advertisement wasn't very effective.

خانواده کلمه

اسم
効果
قید
効果的に
صفت
効果的
مرتبط
有効性

ترکیب‌های رایج

効果がある to be effective
効果が出る to show results
効果を試す to test the effectiveness
高い効果 high effectiveness
相乗効果 synergy / synergistic effect

عبارات رایج

効果絶大

extremely effective

音響効果

sound effects

心理的効果

psychological effect

اغلب اشتباه گرفته می‌شود با

効果 vs 結果

'Kekka' is a general result (can be good or bad), while 'Kouka' focuses on the effectiveness or intended influence of an action.

効果 vs 効率

'Kouritsu' refers to efficiency (speed/resource usage), whereas 'Kouka' refers to effectiveness (the power to produce a result).

📝

نکات کاربردی

Kouka is most commonly paired with the verbs 'aru' (to have) or 'deru' (to appear/show). It is used for positive or intended outcomes, except in the phrase 'gyaku-kouka' (backfire).

⚠️

اشتباهات رایج

Learners often forget that 'kouka' is a noun and try to use it as a verb without 'ga aru' or 'wo motarasu'. Do not say 'kouka suru' to mean 'to be effective'.

💡

راهنمای حفظ

Think of a 'Coca-Cola' (Kouka) commercial; the 'effect' of drinking it is supposed to be instant happiness and refreshment.

📖

ریشه کلمه

Derived from Sinitic roots: 'kou' (効) meaning efficacy or result, and 'ka' (果) meaning fruit or consequence.

الگوهای دستوری

~に効果がある (effective for/on ~) ~の効果で (due to the effect of ~) 効果的な + Noun (effective ~)
🌍

بافت فرهنگی

In Japanese marketing, especially for cosmetics and supplements, the word 'kouka' is strictly regulated by the Pharmaceutical Affairs Act regarding what claims can be made.

آزمون سریع

毎日の練習は、ピアノの上達に大きな___があります。

درسته!

پاسخ صحیح این است: 効果

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