decrease
gb/dˈikɹˌis/ us/dˈikɹˌis/
A2
英語
~ 5000
csökkent, csökken, csökkenés
動詞
A2
1
csökkent
B1
用法パターン：
to decrease [something]
The company plans to decrease its carbon emissions by 20%.
A vállalat 20%-kal tervezi csökkenteni a szén-dioxid-kibocsátását.
You should decrease the heat once the water starts boiling.
Amint forrni kezd a víz, vedd lejjebb a hőfokot.
They decided to decrease the price to attract more customers.
Regular exercise can decrease your risk of heart disease.
学習者向け例文
Please decrease the volume.
Kérlek, vedd lejjebb a hangerőt.
We will decrease the price.
Csökkenteni fogjuk az árat.
The doctor told me to decrease my sugar intake.
Decrease the speed when driving in the rain.
よくある間違い：
Learners sometimes confuse 'decrease' with 'decline'. 'Decrease' is often used for deliberate action, while 'decline' can mean something happens naturally or is refused.
意味
Make something smaller or less
コロケーション
decrease costs
|decrease speed
|decrease temperature
|decrease risk
|decrease production
類義語
reduce (More common and general; can be used in more contexts.)
|
lower (Often used for numbers, levels, or measurements.)
対義語
increase (Means to make something greater in amount, size, or degree.)
テーマ
business
|science
|daily life
|core_vocabulary
定義
To make something less in number, size, or amount.
To cause something to become smaller in quantity, size, intensity, or degree.
動詞
A2
2
csökken
B1
用法パターン：
[something] decreases
The population of the town has decreased over the last decade.
A város lakossága csökkent az elmúlt évtizedben.
As the sun sets, the temperature decreases quickly.
Ahogy lemegy a nap, gyorsan csökken a hőmérséklet.
Profits decreased by 15% this year.
学習者向け例文
The number of students decreased.
Csökkent a diákok száma.
My weight decreased after I started running.
Csökkent a súlyom, miután elkezdtem futni.
Sales decreased last month.
よくある間違い：
Learners sometimes use 'decrease' transitively when they mean intransitively. For example, 'The company decreased' instead of 'The company's profits decreased.'
意味
Become smaller or less
コロケーション
sales decrease
|temperature decreases
|population decreases
類義語
drop (Informal; often used for sudden changes.)
|
diminish (Slightly more formal; often used in academic contexts.)
対義語
increase (Means to become greater in amount, size, or degree.)
テーマ
science
|business
|daily life
|core_vocabulary
定義
To get less in number, size, or amount.
To become smaller in quantity, size, intensity, or degree.
名詞
A2
3
csökkenés
B1
There was a sharp decrease in crime rates last year.
Tavaly jelentősen csökkent a bűnözési ráta.
We noticed a slight decrease in customer satisfaction.
Észrevettük, hogy kissé csökkent az ügyfelek elégedettsége.
A decrease in rainfall has affected crop production.
学習者向け例文
There is a big decrease in prices.
Jelentős csökkenés tapasztalható az árakban.
We saw a decrease in visitors this year.
Idén csökkenést láttunk a látogatók számában.
The report shows a decrease in accidents.
意味
A reduction in size or amount
コロケーション
a decrease in sales
|sharp decrease
|slight decrease
類義語
reduction (More common and general; used widely in formal and informal contexts.)
|
drop (More informal; often used for sudden changes.)
対義語
increase (Means a rise in amount, size, or degree.)
テーマ
business
|science
|core_vocabulary
定義
A change that makes something less in number, size, or amount.
An instance or amount of becoming smaller in quantity, size, intensity, or degree.
文法
辞書形
decrease
IPA
GB/dˈikɹˌis/
US/dˈikɹˌis/
音節・強勢
de - crease （2音節）
Stress on 1st syllable (de)
活用形
Noun
- Base: decrease
- Plural: decrease, decreases
Verb
- Base: decrease
- 3rd Person Singular: decreases
- Present Participle: decreasing
- Past: decreased
関連語
表現
decrease by half
1/dˈikɹˌis bˈaɪ hˈæf/
fixed phrase
Reduce to half the amount
To make something 50% less than before.
例文
- The company decreased its waste by half last year.
- You should decrease your sugar intake by half for better health.
decrease over time
1/dˈikɹˌis ˈoʊvɚ tˈaɪm/
fixed phrase
Gradually become less over time
To slowly get smaller or less as time goes by.
例文
- The pain will decrease over time.
- Interest rates are expected to decrease over time.
decrease the risk of
1/dɪkɹˈis ðə ɹˈɪsk əv/
fixed phrase
Reduce the chance of something happening
To make it less likely that something bad will happen.
例文
- Wearing a helmet decreases the risk of head injury.
- Eating more vegetables can decrease the risk of heart disease.