confine
confine — verb
1. to make sure that an activity, topic, or amount stays within a fixed boundary an
to make sure that an activity, topic, or amount stays within a fixed boundary and does not go beyond it — for example, confining a discussion to one subject or confining expenses to a monthly budget.
Professor Nala confined her lecture to the first three chapters of the textbook.
confine + object + to + noun phrase
Bao confined his research to Southeast Asian frog species for his master's thesis.
confine + to + specific topic
The judge confined the witness's testimony to what she had actually seen at the scene.
To reduce costs, the committee confined its spending to essential supplies only.
Felix confined his criticism to the delivery style, not the actual content of the speech.
- restrict
very close in meaning; 'restrict' often suggests an external rule or regulation
- limit
broader and more common; can be used with or without 'to'
- narrow down
informal phrasal verb; implies reducing options gradually
文法句型
confine + object + to + noun phrase
confine + yourself + to + noun phrase
用法筆記
Takes a reflexive pronoun as the object to describe voluntary self-restriction (confine yourself to one topic). The object is always followed by the preposition 'to'.
常見錯誤
2. to force a living being to stay inside an enclosed space, taking away their abil
to force a living being to stay inside an enclosed space, taking away their ability to move around freely — for example, locking a prisoner in a cell or being unable to get out of bed because of illness.
After breaking his leg, Caleb was confined to a wheelchair for six weeks.
passive: be confined to [place/tool] for [time]
The zookeepers confined the injured eagle to a quiet indoor enclosure.
active: confine [animal] to [enclosure]
During the lockdown, the authorities confined all residents to their homes for two months.
A severe ankle injury confined Evelyn to her apartment for the entire summer.
The guard confined the suspect to a small interview room for questioning.
文法句型
be confined + to + place
confine + object + to + place
用法筆記
Very frequently used in the passive voice to describe a situation where external forces (injury, illness, punishment, safety rules) restrict someone's movement. The object is usually a person or animal, not a thing.
常見錯誤
3. to be present, happen, or be found in just one location, region, or social group
to be present, happen, or be found in just one location, region, or social group, without appearing anywhere else.
This rare butterfly species is confined to a single mountain range in Taiwan.
passive: be confined to [geographic location]
The virus was not confined to the capital but spread across the entire country.
Anjali's knowledge of the local language was confined to a few basic greetings.
The tradition of painting houses blue is largely confined to coastal villages in Greece.
Research funding is often confined to projects that promise quick commercial results.
- be limited to
more general; less formal than 'be confined to'
- be restricted to
similar formality; often used for rules or regulations
- be found only in
explicitly states geographic or demographic exclusivity
- extend beyond
to reach across a wider area or group
- spread across
to be found in many different places
文法句型
be confined + to + location
be confined + to + group
用法筆記
Nearly always used in the passive voice. The subject is typically a natural phenomenon, disease, cultural practice, or body of knowledge. Often paired with adverbs such as 'largely', 'mainly', 'not', or 'no longer' to indicate the extent of the limitation.