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 lies
Grammar usage guide and real-world examplesUSAGE SUMMARY
"where the problem lies" is a grammatically correct and usable phrase in written English.
You can use it to refer to the source of a difficulty or challenge. For example: "We have identified the issue, but now we need to determine where the problem lies."
✓ Grammatically correct
News & Media
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
60 human-written examples
That is where the problem lies".
News & Media
That's where the problem lies".
News & Media
And this is where the problem lies.
News & Media
And that's where the problem lies.
News & Media
Of course, that's where the problem lies.
News & Media
I think this is where the problem lies.
News & Media
To Ms. Kilic, that is precisely where the problem lies.
News & Media
The second of these credos is where the problem lies.
News & Media
I don't think that's where the problem lies.
News & Media
But "normal" is exactly where the problem lies.
News & Media
They are not where the problem lies; it's households we want to worry about.
News & Media
Expert writing Tips
Best practice
When using "where the problem lies", ensure it clearly connects to the specific problem being discussed. Provide context so the reader understands what issue is being addressed.
Common error
Avoid using "where the problem lies" without clearly establishing what the problem is. If the reader isn't aware of the issue, the phrase becomes vague and confusing. Always provide sufficient background information.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "where the problem lies" functions as a relative clause, often used as a subject complement or adverbial modifier. It identifies the location or source of a specific issue, as Ludwig AI confirms with numerous examples.
Frequent in
News & Media
59%
Science
20%
Formal & Business
8%
Less common in
Encyclopedias
2%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "where the problem lies" is a grammatically sound and frequently used phrase that pinpoints the source of a problem or difficulty. As Ludwig AI confirms, this phrase functions as a relative clause and serves to highlight the fundamental reason for an issue. It is versatile enough for news, science, and formal business contexts, though less common in informal settings. When using this phrase, ensure you provide adequate context, as it can be confusing if the problem isn't well-established. Alternatives like "where the challenge lies" or "the crux of the matter" can add nuanced meanings depending on the situation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
where the challenge lies
Replaces "problem" with "challenge", suggesting a difficulty that requires effort to overcome, rather than a purely negative issue.
where the issue lies
Substitutes "problem" with "issue", which can be a more neutral or formal term for a point of concern or debate.
where the trouble lies
Replaces "problem" with "trouble", implying a more significant or disruptive difficulty.
where the dilemma lies
Replaces "problem" with "dilemma", indicating a situation involving a difficult choice between two or more options.
where the root of the problem is
Adds "root of" to emphasize the fundamental or underlying cause of the problem.
the source of the difficulty
Uses "source of the difficulty" to pinpoint the origin or cause of the problem, changing the structure to a noun phrase.
the crux of the matter
Uses a more idiomatic expression, "crux of the matter", to refer to the central or decisive point of the problem.
the heart of the issue
Employs "heart of the issue" to indicate the core or most important aspect of the problem.
identifying the core problem
Focuses on the action of "identifying the core problem" instead of the location, shifting the emphasis to the process of finding the issue.
determining the origin of the problem
Focuses on the action of "determining the origin of the problem" instead of the location, shifting the emphasis to the process of finding the issue's root.
FAQs
How can I use "where the problem lies" in a sentence?
You can use "where the problem lies" to pinpoint the source of a particular difficulty or issue. For example, "The data is incomplete, and that's "where the problem lies"."
What's a more formal way to say "where the problem lies"?
In a more formal context, you could say "the source of the difficulty" or "the root of the problem". These alternatives offer a similar meaning with a slightly elevated tone.
What can I say instead of "where the problem lies" when discussing a challenge?
If you're discussing a challenge, you could use phrases like "where the challenge lies" or "the crux of the matter", depending on the specific nuance you want to convey.
Is "where the problem is" the same as "where the problem lies"?
While similar, "where the problem lies" often implies a deeper or more inherent issue than simply "where the problem is". The former suggests a more fundamental aspect of the difficulty.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested