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
where the problem is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "where the problem is" is correct and usable in written English.
You can use it when identifying or discussing the location or source of an issue or difficulty. Example: "After reviewing the project, I can see where the problem is; we need to improve our communication."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(14)
where the challenge lies
the crux of the matter
where the problem lies
where the issue lies
the heart of the issue
where the line lies
where the difficulty lies
where the dilemma lies
where the difference lies
where the boundary lies
the root of the matter
where the trouble lies
the source of the trouble
where the power lies
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
It's pure enforcement — which is not where the problem is.
News & Media
"That seems to be where the problem is".
News & Media
We have to pinpoint where the problem is".
News & Media
Central banks should put their money where the problem is.
News & Media
"I don't think that's where the problem is".
News & Media
"It's not clear where the problem is from," he said.
News & Media
"The newer ones, that's where the problem is.
News & Media
That is where the problem is".These are not flatly contradictory views.
News & Media
Cumbria is where the problem is, but perhaps that's too far north for you southerners.
News & Media
More densely populated areas, however, seem to be where the problem is most acute.
News & Media
"I think of Avastin as a model that is showing us where the problem is".
News & Media
Expert writing Tips
Best practice
When using "where the problem is" in technical documentation, follow up with clear and concise steps to reproduce the issue. This can save time and resources during the bug fixing process.
Common error
Do not use "where the problem is" without providing enough context. Saying "that's "where the problem is"" without specifying what "that" refers to can confuse the audience and reduce clarity.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "where the problem is" functions as a relative clause, often used to specify the location or area in which a difficulty or issue exists. It serves to pinpoint the source or origin of a problem. As Ludwig AI explains, the phrase is correct and usable in written English.
Frequent in
News & Media
42%
Science
37%
Formal & Business
9%
Less common in
Wiki
4%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "where the problem is" serves as a relative clause, pinpointing the location or source of an issue. Ludwig AI confirms its correct usage in written English. Predominantly used in News & Media and Scientific contexts, it maintains a neutral register suitable for diverse communication styles. While seemingly straightforward, strategic usage—avoiding vagueness and ensuring contextual clarity—is paramount. Alternatives such as "the source of the trouble" or "the root of the matter" offer nuanced variations depending on the specific intent. In summary, "where the problem is" is a versatile phrase with a high frequency of use, provided it is wielded with precision and context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
where the difficulty lies
Replaces "problem" with "difficulty", emphasizing the challenge rather than just the issue.
where the issue stems from
Focuses on the origin or root cause of the issue, using "stems from" to indicate origin.
the location of the problem
More direct and literal, specifying "location" to pinpoint the issue.
the source of the trouble
Uses "trouble" instead of "problem" and "source" to highlight the origin of the issue.
the root of the matter
Emphasizes finding the fundamental cause, using a more idiomatic expression.
the crux of the matter
Highlights the most important or decisive point of the problem.
where the bottleneck is
Identifies the constraint or limitation causing the problem, specifically a "bottleneck".
the area of concern
A more general and less critical way of pointing out a problem using "area of concern".
the seat of the difficulty
More formal and emphasizes the place where the difficulty is most prominent.
the locus of the problem
A more technical or academic term for the place "where the problem is".
FAQs
How can I use "where the problem is" in a sentence?
Use "where the problem is" to pinpoint the source of a difficulty, as in, "After analyzing the data, we identified "where the problem is": a faulty sensor."
What is a more formal way to say "where the problem is"?
For a more formal tone, consider alternatives like "the source of the issue", "the origin of the difficulty", or "the locus of the problem".
Is it correct to say "where the problem are" instead of "where the problem is"?
No, "where the problem are" is grammatically incorrect. The verb should agree with the singular noun "problem", so "where the problem is" is the correct form.
What's the difference between "where the problem is" and "where the issue lies"?
"Where the problem is" is a more direct way of identifying a difficulty's location. "Where the issue lies" suggests a deeper, more fundamental problem that needs uncovering.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested