Used and loved by millions
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
at a fast time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at a fast time" is not correct and does not sound natural in written English.
It is unclear and does not convey a specific meaning; a more appropriate phrase would be needed to express the intended idea of speed or quickness. Example: "We need to complete the project at a fast pace to meet the deadline."
⚠ May contain grammatical issues
News & Media
Wiki
Science
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
2 human-written examples
He has already claimed one world championship at a fast time control, capturing the blitz title in Moscow in 2009.
News & Media
The game is usually played at a fast time control; this, together with the passing and dropping of pieces, can make the game look chaotic and random to the casual onlooker; hence the name bughouse, which is slang for mental hospital.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
In the 2001 knockout tournament in Moscow, Zhu beat Alexandra Kosteniuk of Russia in the final match; they split the regular games with two wins each and then each player won one game in a play-off at a faster time control, which then led to a still faster set of two "speed" games, both won by Zhu.
Encyclopedias
While the Aga Khan won't have Valyra, he will have Shareta, a 4-year-old filly who won the preparatory Group 1 Prix Vermeille in September at a faster time than that posted over the same course and distance by the colts.
News & Media
k At a (faster) time scale of machine response.
It is assumed that the dynamical process is not changing too rapidly, and a multi-rate scheme by which the sensors estimate states at a faster time scale and exchange information with neighbors at a slower time scale is proposed to reduce communication costs.
Science
This figure also shows these traces at a faster time base (right panels) to allow identification of specific ECG features.
Science
These results suggest that SOMs may adapt at a faster time scale than PVs with repeated presentation of tones.
Science
Again, display of such records at a faster time base showed successive atrial deflections with similar waveforms and amplitudes (Fig. 7f).
Science
Closer inspection of the trace at a faster time base (right panel) demonstrates that the ECG waveforms were similar to those shown previously (Fig. 3a,b, right panels).
Science
Closer inspection of the BEG recordings at a faster time base then demonstrated regular and consistent A-V intervals, with each of the successive atrial and ventricular deflections identical in waveform (Fig. 7b).
Science
Expert writing Tips
Best practice
Instead of using the phrase "at a fast time", opt for more natural alternatives such as "quickly", "rapidly", or "in a short time" to convey speed or brevity more effectively.
Common error
Avoid using literal translations or uncommon word combinations. English favors concise and direct expressions for speed. Choose single-word adverbs or established prepositional phrases.
Source & Trust
82%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at a fast time" functions as an adverbial phrase, attempting to modify a verb or action by indicating the speed at which it occurs. However, according to Ludwig, this phrasing is considered grammatically incorrect and unnatural in English.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "at a fast time" is considered grammatically incorrect and unnatural in English. As Ludwig AI points out, it's generally better to use more common and idiomatic expressions such as "quickly", "rapidly", or "in a short time" to convey the intended meaning of speed or brevity. While the phrase may be understandable, it lacks the clarity and naturalness preferred in both formal and informal writing. Therefore, it's advisable to avoid using "at a fast time" and instead opt for stronger verbs and adverbs to express the speed or duration of an action or event more effectively.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
rapidly
Adverb indicating high speed or quickness; replaces the entire phrase for a more concise expression.
quickly
Similar to "rapidly", but perhaps slightly less formal. Replaces the phrase for brevity.
in short time
Emphasizes the brevity of the duration; alters the structure but maintains the core idea of speed.
speedily
A more formal synonym for quickly; replaces the entire phrase for a more elegant tone.
promptly
Focuses on immediacy and lack of delay. Changes the specific nuance to emphasize timeliness.
at a brisk pace
Implies a steady and energetic speed; alters the imagery while keeping the general sense of fast movement.
expeditiously
Highlights efficiency and effectiveness in addition to speed. This alternative changes the focus slightly.
with haste
Highlights urgency and quick action; suitable for situations where speed is critical.
in a flash
Emphasizes the suddenness and extreme speed of an event; adds a sense of drama or excitement.
momentarily
Indicates something happens almost instantly; slightly different in that it focuses on a very brief duration.
FAQs
What are some alternatives to "at a fast time"?
Instead of "at a fast time", consider using alternatives like "quickly", "rapidly", or "in a short time" to express speed or brevity more naturally.
Is "at a fast time" grammatically correct?
While understandable, "at a fast time" is not considered grammatically correct or natural in contemporary English. It's better to use more common and idiomatic expressions.
How can I improve my sentence using "at a fast time"?
When is it appropriate to use the phrase "at a fast time"?
The phrase "at a fast time" is rarely appropriate in formal or informal writing. It's generally better to use more common and accepted alternatives to ensure clarity and naturalness.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
1.8/5
Expert rating
Real-world application tested