concentrate
gb/kˈɔnsəntɹˌeɪt/ us/kˈɔnsəntɹˌeɪt/
A2
英語
~ 1400
語義
0件の語義
動詞
A2
action
1
Focus attention or mental effort
To give all your attention to one thing and not think about anything else.
用法パターン：
to concentrate on [something]
よくある間違い：
Learners sometimes confuse 'concentrate' with 'focus' but use the wrong preposition; the correct phrase is 'concentrate on', not 'concentrate at' or 'concentrate in'.
類義語
focus (More common in everyday speech; often interchangeable.)
対義語
distract (Means to take attention away from something.)
コロケーション
concentrate hard
|concentrate fully
|concentrate on work
|concentrate on studies
|concentrate better
テーマ
daily life
|education
|work
|core_vocabulary
例文
- I can't concentrate with all that noise outside.
- She needs to concentrate on her driving.
- He found it hard to concentrate after the long meeting.
- Please be quiet so I can concentrate on my homework.
学習者向け例文
- I must concentrate on my homework.
- She cannot concentrate when the TV is on.
- He tries to concentrate in class.
- We need to concentrate during the test.
動詞
B1
action
2
Make a substance stronger
To make a liquid stronger by taking water out of it.
用法パターン：
to concentrate [a liquid/substance]
よくある間違い：
Learners may confuse this meaning with 'focus'; context usually makes the difference clear.
類義語
condense (Focuses more on reducing volume rather than increasing strength.)
対義語
dilute (Means to make a liquid weaker by adding more liquid, usually water.)
コロケーション
concentrate juice
|concentrate a solution
|concentrate flavor
テーマ
science
|cooking
|food_drink
|core_vocabulary
例文
- The factory concentrates orange juice for shipping.
- Boiling will concentrate the sauce's flavor.
- They concentrated the solution by evaporating the water.
学習者向け例文
- They concentrate fruit juice in the factory.
- Boiling will concentrate the soup.
- We can concentrate milk by removing water.
動詞
B2
action
3
Bring together in one place
To put people or things close together in one place.
用法パターン：
to concentrate [things/people] in [a place]
よくある間違い：
Learners sometimes confuse this with 'focus' on an idea, but here it means physical gathering or grouping.
類義語
gather (A more general and less formal term for bringing together.)
対義語
disperse (Means to spread people or things apart over a larger area.)
コロケーション
concentrate troops
|concentrate resources
|concentrate efforts
テーマ
geography
|military
|core_vocabulary
例文
- The army concentrated its forces near the border.
- We should concentrate our efforts on this project.
- Factories are concentrated in the city's industrial zone.
学習者向け例文
- They concentrate soldiers near the city.
- We must concentrate our work here.
- Shops are concentrated in the town center.
名詞
B1
entity
4
Substance with reduced liquid content
A liquid that has had water removed to make it stronger.
類義語
essence (Usually refers to flavoring substances, especially in cooking.)
対義語
dilution (A weaker form of a liquid after adding more liquid.)
コロケーション
orange juice concentrate
|tomato paste concentrate
テーマ
science
|cooking
|food_drink
|core_vocabulary
例文
- The recipe calls for frozen orange juice concentrate.
- We added water to the concentrate before drinking it.
- This paint is made from a natural dye concentrate.
学習者向け例文
- I buy juice concentrate from the store.
- Add water to the concentrate to make juice.
- We use tomato concentrate for cooking.
文法
辞書形
concentrate
IPA
GB/kˈɔnsəntɹˌeɪt/
US/kˈɔnsəntɹˌeɪt/
音節・強勢
con - cen - trate （3音節）
Stress on 1st syllable (con)
活用形
Noun
- Base: concentrate
- Plural: concentrate, concentrates
Verb
- Base: concentrate
- 3rd Person Singular: concentrates
- Present Participle: concentrating
- Past: concentrated
関連語
表現
concentrate on
1/kˈɔnsəntɹˌeɪt ˈɔn/
fixed phrase
Focus attention on something specific
To give all your attention to something particular.
例文
- You need to concentrate on finishing your assignment.
- He is concentrating on learning Spanish right now.
concentrate one's efforts
1/kˈɔnsəntɹˌeɪt wˈʌnz ˈɛfɚts/
fixed phrase
Focus energy on one goal
To put all your energy into doing one thing.
例文
- We should concentrate our efforts on improving customer service.
- They are concentrating their efforts on finding new investors.
orange juice concentrate
1/ˈɔɹɪnd͡ʒ d͡ʒˈus kˈɔnsəntɹˌeɪt/
fixed phrase
Orange juice with water removed
Orange juice that has had most of its water taken out so it is strong and easy to store.
例文
- This drink is made from frozen orange juice concentrate.
- They import orange juice concentrate from Brazil.