maintain
gb/meɪntˈeɪn/ us/meɪntˈeɪn/
B1
英語
~ 900
語義
0件の語義
動詞
B1
action
1
Keep in good condition
To keep something working well or looking good by taking care of it.
用法パターン：
to maintain [something]
よくある間違い：
Learners sometimes confuse 'maintain' with 'obtain'. 'Maintain' is about keeping something in its current state, not getting it.
類義語
upkeep (Refers more to the ongoing process of keeping something in good condition.)
|
preserve (Implies protecting from harm or decay, sometimes with a focus on long-term protection.)
対義語
neglect (Means to fail to care for something properly, leading to decline or damage.)
コロケーション
maintain equipment
|maintain a building
|maintain a vehicle
|properly maintain
|maintain facilities
テーマ
daily life
|work
|technology
|daily_life
|core_vocabulary
例文
- We need to maintain the car to avoid costly repairs.
- The company maintains its computers regularly to prevent breakdowns.
- It’s important to maintain your home to keep its value.
学習者向け例文
- I maintain my bike every week.
- He maintains his shoes so they look new.
- They maintain the garden very well.
動詞
B2
action
2
Continue to have or keep
To keep a certain way of being or situation without change.
用法パターン：
to maintain [a state/quality/position]
よくある間違い：
Learners may confuse 'maintain' with 'remain'. 'Remain' means to stay in a place or condition passively, while 'maintain' implies active effort.
類義語
sustain (Often used for continuing something over a period of time, especially effort or energy.)
対義語
lose (To no longer have a state, quality, or position.)
コロケーション
maintain control
|maintain focus
|maintain balance
|maintain speed
テーマ
emotions
|sports
|business
|core_vocabulary
例文
- She maintained her composure during the crisis.
- The team struggled to maintain their lead in the final minutes.
- He maintains a high level of fitness all year round.
学習者向け例文
- She maintains her weight by eating healthy food.
- He maintains his place in the class.
- They maintain good relations with their neighbors.
動詞
formal
B2
action
3
State firmly is true
To say strongly that something is true, even if others disagree.
用法パターン：
to maintain (that) [clause]
よくある間違い：
Learners sometimes omit 'that' after 'maintain', which can make the sentence unclear in formal writing.
類義語
assert (Formally and confidently state something as fact.)
|
claim (Say that something is true; can sound less certain than 'maintain'.)
対義語
deny (To say that something is not true.)
コロケーション
maintain innocence
|maintain that something is true
テーマ
law
|debate
|communication
|core_vocabulary
例文
- He maintained that he had never seen her before.
- The scientist maintains that the results are conclusive.
- She maintained her innocence throughout the trial.
学習者向け例文
- He maintains that he is right.
- She maintains that she did not take the money.
- They maintain that this plan will work.
文法
辞書形
maintain
IPA
GB/meɪntˈeɪn/
US/meɪntˈeɪn/
音節・強勢
main - tain （2音節）
Stress on 2nd syllable (tain)
活用形
Verb
- Base: maintain
- 3rd Person Singular: maintains
- Present Participle: maintaining
- Past: maintained
関連語
Forms
maintains
verb
maintaining
verb
maintained
verb
Core family
maintenance
noun B1
Related words
maintainer
noun B2
Negative and opposite forms
unmaintainable
adjective
Advanced or less common
maintainable
adjective
maintainability
noun C1
表現
maintain a low profile
1/meɪntˈeɪn ə lˈoʊ pɹˈoʊfˌaɪl/
idiom
Avoid drawing attention to oneself
To act quietly and not attract attention.
例文
- After the scandal, he decided to maintain a low profile.
- She maintained a low profile during the negotiations.
maintain contact
1/meɪntˈeɪn kˈɑntˌækt/
fixed phrase
Keep communicating with someone
To keep talking or writing to someone over time.
例文
- We try to maintain contact with old school friends.
- It's important to maintain contact with clients.
maintain order
1/meɪntˈeɪn ˈɔɹdɚ/
fixed phrase
Keep things organized and controlled
To keep people behaving well and things working in an organized way.
例文
- The police were called in to maintain order during the protest.
- Teachers must maintain order in the classroom.