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to maintain
01
維持する, 保つ
to make something stay in the same state or condition
Transitive: to maintain sth
Example
Engineers often maintain machinery to ensure optimal performance.
The IT department maintained the server to prevent potential issues.
The janitor regularly maintains cleanliness in the office by cleaning and organizing.
02
維持する, 保つ
to keep a vehicle, building, road, etc. in good condition by doing regular repairs, renovations, or examinations
Transitive: to maintain a structure or facility
Example
The hotel maintains its facilities well, ensuring guests have a pleasant experience.
They maintain the old house by repainting and repairing it every few years.
The city allocates funds to maintain public parks and recreational areas.
03
維持する, 支える
to supply someone or something with essential resources or support needed for survival or well-being
Transitive: to maintain sb/sth
Example
The fund was established to maintain the wildlife sanctuary and its animals.
The organization works to maintain struggling families by providing food and shelter.
She sends money each month to help maintain her relatives back home.
04
維持する, 主張する
to support and affirm something as true, especially in the face of disagreement or challenge
Transitive: to maintain a belief or stance
Example
The lawyer maintained his client ’s version of events during the trial.
The author maintained his stance on the controversial topic throughout the debate.
He maintained his belief in their innocence, even when evidence suggested otherwise.
05
維持する, 主張する
to firmly and persistently express an opinion, belief, or statement as true and valid
Transitive: to maintain that
Example
The scientist maintains that climate change is a significant threat that needs immediate attention.
Despite the controversy, the author maintains that the historical facts in the book are accurate.
She maintains that her interpretation of the data is correct despite the opposition.
06
維持する, 支える
to protect or support something firmly, especially when facing opposition or threats
Transitive: to maintain a position or condition
Example
She fought to maintain her freedom of speech in the face of censorship.
The team promised to maintain their lead despite tough competition.
Citizens banded together to maintain their neighborhood ’s safety against rising crime.
07
記録を保持する, 文書化する
to keep a record of something by regularly documenting updates or details in writing
Transitive: to maintain a record
Example
The scientist maintained detailed notes of each experiment ’s results.
The teacher maintained attendance records for each of her classes.
The nurse maintained patient records to monitor health trends over time.
例
Engineers often maintain machinery to ensure optimal performance.
The IT department maintained the server to prevent potential issues.
The janitor regularly maintains cleanliness in the office by cleaning and organizing.
Right now, the technician is actively maintaining the equipment to avoid breakdowns.
Last month, he maintained the garden by trimming the hedges and watering the plants.
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