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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
a key problem in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key problem in" is correct and usable in written English.
It can be used when discussing a significant issue or challenge within a specific context or field. Example: "A key problem in the healthcare system is the lack of access to affordable services."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(2)
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
60 human-written examples
A key problem in this area is location management.
Academia
This indicates, I think, a key problem in these debates.
News & Media
That's a key problem in terms of providing authority in teenagers' lives.
News & Media
Efficient dispersion of nanoclays in biopolymer matrices is a key problem in nanobiocomposite development.
Elimination or mitigation of damage is a key problem in industrial safety.
Efficient disposal of pollutants is a key problem in the environmental context.
Science
A key problem in exploiting the Arctic is what happens if - or more likely when - something goes wrong.
News & Media
String matching is a key problem in many network processing applications.
Reconstructing gene regulatory networks from high-throughput measurements represents a key problem in functional genomics.
Science
This is also a key problem in Gauss-Newton type inversion algorithms.
CAD graphic preview and interaction is a key problem in the mould collaborative design syetem.
Science
Expert writing Tips
Best practice
When using "a key problem in", ensure that you clearly define the context in which the problem exists. This provides clarity and prevents ambiguity.
Common error
Avoid using "a key problem in" to describe multifaceted problems without acknowledging the contributing factors. Providing nuanced analysis strengthens your argument.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key problem in" functions as a noun phrase acting as a subject complement or appositive. It identifies and introduces a significant issue within a given context. Ludwig AI confirms this phrase is correct and usable in written English.
Frequent in
Science
50%
News & Media
23%
Academia
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
1%
Ludwig's WRAP-UP
In summary, "a key problem in" is a versatile and grammatically sound phrase used to introduce significant issues or challenges within specific contexts. Ludwig AI confirms its correctness and usability. It is most frequently found in scientific and news-related sources, indicating its suitability for formal and neutral registers. When employing this phrase, clarity and context are paramount to ensure effective communication. Alternative phrases like "a central issue in" or "a major challenge in" offer nuanced ways to express similar ideas.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a central issue in
Replaces "key problem" with "central issue", emphasizing the importance of the issue.
a major challenge in
Substitutes "key problem" with "major challenge", highlighting the difficulty involved.
a primary concern in
Replaces "key problem" with "primary concern", shifting the focus to something that causes worry or attention.
a fundamental obstacle in
Emphasizes the basic and essential nature of the obstacle.
a critical difficulty in
Highlights the crucial and challenging aspect of the difficulty.
a significant hurdle in
Uses "significant hurdle" to describe a problem that needs to be overcome.
a core issue in
Replaces "key problem" with "core issue", pointing to the central and essential nature of the problem.
the main disadvantage of
Focuses on the primary negative aspect or drawback.
the principal drawback of
Similar to "main disadvantage", this emphasizes the primary negative aspect.
a notable limitation of
Highlights a significant restriction or constraint.
FAQs
How can I use "a key problem in" in a sentence?
Use "a key problem in" to introduce a significant issue or challenge within a specific context. For example, "A key problem in software development is managing project scope."
What are some alternatives to "a key problem in"?
You can use alternatives like "a central issue in", "a major challenge in", or "a primary concern in" depending on the specific nuance you want to convey.
Is it better to say "a key problem of" or "a key problem in"?
"A key problem in" is generally preferred because it indicates the context or field where the problem arises, whereas "a key problem of" is less common and might sound awkward. For example: "A key problem in the design of communication networks..."
How do I emphasize the severity of "a key problem in"?
You can emphasize the severity by using stronger adjectives like "critical", "major", or "fundamental". For instance, "A critical problem in the current economic climate is unemployment."
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested