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
be a challenging issue
Grammar usage guide and real-world examplesUSAGE SUMMARY
"be a challenging issue" is correct and can be used in written English.
You can use it to describe a difficult task or situation. For example, "Climate change continues to be a challenging issue for many governments."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
be a difficult issue
be a complex issue
pose a significant challenge
be a tough issue
become a challenging issue
be a problematic issue
be a complicated issue
be a sensitive issue
be a tricky issue
be a challenging problem
becomes a challenging issue
be a challenging piece
be a challenging year
be a challenging prospect
be a challenging business
be a partisan issue
be a political issue
be a challenging nomination
be a challenging score
be a challenging phase
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
12 human-written examples
"Agriculture tends to be a challenging issue," he said.
News & Media
Hence, developing a fully-automatic approach to detect the abnormal structures from brain images is considered to be a challenging issue in medical image analysis.
Science
Although numerous strategies have been developed to achieve directional transport of liquid at low temperature, controlling the directional transport of liquid at high temperature remains to be a challenging issue.
Science
This topic will be a challenging issue for future research.
However, VSG control method in the single-phase microgrid still remains to be a challenging issue.
Considering learning styles of all students in the traditional classroom can be a challenging issue for teachers.
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
Race is a challenging issue.
Academia
Tracing these decisions is a challenging issue.
Simulating the force-deformation behavior of stone masonry is a challenging issue.
The corrosion of the concrete in the brine environment has been a challenging issue over years.
How to use additives yet keep them from detrimental behaviors is a challenging issue.
Science
Expert writing Tips
Best practice
When using "be a challenging issue", ensure the context clearly indicates why the issue is challenging. Provide specific reasons or examples to enhance clarity.
Common error
Avoid simply stating that something is "a challenging issue" without explaining why. This can make your writing vague and uninformative. Always provide supporting details.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be a challenging issue" functions as a predicative expression, attributing the characteristic of being "challenging" to a particular issue. Ludwig AI indicates that this phrase is grammatically sound and suitable for use in written English.
Frequent in
Science
58%
News & Media
16%
Academia
10%
Less common in
Formal & Business
8%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "be a challenging issue" is a grammatically correct and frequently used phrase to describe a difficult or complex situation. Ludwig AI confirms its validity for written English. It is most commonly found in scientific and news-related contexts, indicating its suitability for formal and neutral registers. When using this phrase, provide specific details to explain the nature of the challenge. Consider alternatives like "be a difficult issue" or "pose a significant challenge" to add nuance to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be a difficult issue
Replaces "challenging" with a more straightforward synonym, slightly reducing the intensity.
be a tough issue
Similar to "difficult" but carries a stronger connotation of resilience needed to overcome it.
become a challenging issue
Adds a sense of progression or evolution to the difficulty, implying it wasn't always challenging.
be a problematic issue
Directly emphasizes the issue as a source of problems or difficulties.
be a complex issue
Focuses on the multifaceted nature of the issue, rather than its difficulty.
be a complicated issue
Similar to "complex", but perhaps implying a more confusing or intricate structure.
be a sensitive issue
Highlights the delicate nature of the issue, suggesting it requires careful handling.
be a tricky issue
Implies the issue requires cunning or cleverness to resolve.
be a demanding issue
Stresses the high level of effort or resources required to address the issue.
pose a significant challenge
Shifts the structure to emphasize the challenge itself, rather than the issue's inherent difficulty.
FAQs
How can I use "be a challenging issue" in a sentence?
You can use "be a challenging issue" to describe something that presents difficulties or requires significant effort to resolve. For example, "Balancing work and personal life can "be a challenging issue" for many professionals".
What can I say instead of "be a challenging issue"?
You can use alternatives like "be a difficult issue", "be a complex issue", or "pose a significant challenge" depending on the context.
When is it appropriate to use the phrase "be a challenging issue"?
It's appropriate when discussing a situation that requires significant effort, skill, or resources to overcome. The phrase is versatile and can be used in formal or informal contexts.
What's the difference between "be a challenging issue" and "be a difficult issue"?
While similar, "be a challenging issue" often implies that the difficulty is stimulating or potentially rewarding, whereas "be a difficult issue" simply emphasizes the hardship without necessarily implying a positive aspect.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested