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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
maintain watch
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "maintain watch" is correct and usable in written English.
It is usually used to mean keeping an eye out for something or monitoring a situation. For example: The sentry must maintain watch at all times for any signs of danger.
✓ Grammatically correct
News & Media
Science
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
When figured out cost of such a service, it came to one hundred and thirty-five dollars a week or seven thousand dollars a year to maintain watch over the Round Table Restaurant.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
But as police maintained watch on people shopping and strolling in parks, Zimbabwe seemed to be illustrating the idea that nothing, like something, happens anywhere.
News & Media
It's a look that's turned inward, maintaining watch over her intimate life as it rots in isolation from the world around her, and even over her inner physical life, her very body, as it betrays her.
News & Media
Specifically, the program was not sharing their new identities with the F.B.I.'s Terrorist Screening Center, the agency that maintains watch lists used for purposes like determining who must undergo extra screening at airports or be placed on the no-fly list.
News & Media
Subsequently on September 28 , 1976 a group of neighbors and police were maintaining watch over [REDACTED] residencies.
News & Media
Drones, by contrast, "will become cheaper and cheaper," he said at Thursday's press conference, which "essentially means that they'll be affordable to fly 24/7, maintaining watch on areas where it simply wouldn't be cost-effective with helicopters".
News & Media
The Nuclear Regulatory Commission maintained watch over nuclear plants, three of which were shut down during the storm.
In 1970, Vera Salomons hired him to prepare her father's watch collection for viewing at the L.A. Mayer Museum, and from its opening in 1974, Markarian presided over the family gallery, maintaining watches so precious and delicate that he was often loath to wind them.
News & Media
The prosecutor alleged that the two men failed to sound the Condor's foghorn to warn vessels of their approach, failed to maintain visual watch at the time of the accident and failed to maintain sufficient radar watch.
News & Media
The group receives money from the United States and several European governments whose intelligence services maintain close watch over the Free Syrian Army and assorted rebel groups, but whose governments have refused to engage in substantive outreach to them, Nakhla said.
News & Media
On that question, collectors appear to be divided into two camps: Those who believe that to maintain a watch's accuracy its lubricants need to be spread evenly by a continuous movement of the gears and wheels; and those who believe that increased wear resulting from continual movement may do more harm than good.
News & Media
Expert writing Tips
Best practice
When writing about security or protective measures, use "maintain watch" to convey a sense of diligence and continuous monitoring. For instance, "Security personnel must maintain watch throughout the night to prevent unauthorized access."
Common error
Avoid using "maintain watch" in passive voice constructions where the subject is unclear or missing. For example, instead of saying "A watch must be maintained," specify who is maintaining the watch, such as "The security team must maintain watch."
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "maintain watch" functions primarily as a verb phrase, where "maintain" is the main verb and "watch" acts as a noun object. Ludwig AI confirms that this phrase is correct and frequently used in English.
Frequent in
News & Media
55%
Science
25%
Academia
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "maintain watch" is a versatile and frequently used verb phrase that describes the act of continuously monitoring something. As Ludwig AI confirms, it is grammatically correct and commonly used in diverse contexts, particularly in news and media, science, and academic writing. Its purpose is to instruct or describe vigilance, and it carries a neutral register. To avoid monotony, alternatives like "keep a lookout" or "stay vigilant" can be used. A key writing tip is to specify who is maintaining the watch for clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
keep a lookout
Focuses on active observation for potential threats or changes.
stay vigilant
Emphasizes a state of alertness and readiness.
monitor closely
Highlights careful and continuous observation.
keep under surveillance
Suggests a more formal or discreet observation.
oversee operations
Implies responsibility for managing and observing activities.
patrol the area
Highlights regular monitoring of a specific location.
supervise activities
Focuses on directing and observing tasks or events.
observe carefully
Emphasizes the detailed and attentive nature of the observation.
keep tabs on
Suggests informally tracking and monitoring.
be on the alert
Emphasizes readiness to respond to potential issues.
FAQs
How can I use "maintain watch" in a sentence?
You can use "maintain watch" to describe keeping vigilant observation, as in: "The coast guard must "maintain a watch" on the seas."
What are some alternatives to saying "maintain watch"?
Alternatives include "keep a lookout", "stay vigilant", or "monitor closely", depending on the specific context.
Is it better to say "maintain a watch" or "maintain watch"?
Both are grammatically correct, but "maintain watch" is more common and concise. "Maintain a watch" can be used when emphasizing the act of establishing or initiating the watch.
What's the difference between "maintain watch" and "observe"?
"Maintain watch" implies continuous and often proactive monitoring, while "observe" simply means to notice or watch something. "Maintain watch" suggests a duty or responsibility to keep an eye on something, while "observe carefully" is a general action of perception.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested