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
a difficult question to understand
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a difficult question to understand" is correct and usable in written English.
It can be used when referring to a question that is complex or challenging to comprehend. Example: "The professor posed a difficult question to understand, leaving many students puzzled during the discussion."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Some unclear and difficult questions to understand by most of the students were corrected accordingly during the pre-test.
It's a difficult question to ask.
News & Media
That is a difficult question to answer.
News & Media
He is a difficult question to resolve".
News & Media
This appears to be a difficult question to answer.
Science
Richard Paulsen: So that's a difficult question to answer.
It is such a difficult question to explain to him.
News & Media
It's a difficult question to answer.
News & Media
This is a difficult question to study".
News & Media
That's a difficult question to answer.
News & Media
It may be a difficult question to answer.
Academia
Expert writing Tips
Best practice
When using the phrase "a difficult question to understand", ensure that the context clearly indicates what makes the question challenging, and if possible, provide additional information or clarification.
Common error
Avoid using overly technical or complex language when trying to explain why "a difficult question to understand" is challenging. Keep your explanation concise and accessible to your audience.
Source & Trust
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a difficult question to understand" primarily functions as an adjective phrase describing the nature of a question. It characterizes the question as being challenging to comprehend. According to Ludwig AI, it can be used when referring to a question that is complex or challenging to comprehend.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "a difficult question to understand" is a grammatically correct and usable expression in English. Ludwig AI indicates that it serves to describe a question that is complex or challenging to comprehend. While currently showing a low frequency of explicit examples, it is still a valid way to describe a complicated inquiry. Remember to maintain clarity in your writing and choose language appropriate for your audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a challenging question to comprehend
Replaces "difficult" with "challenging" and "understand" with "comprehend" to convey a similar meaning.
a perplexing question to grasp
Substitutes "difficult" with "perplexing" and "understand" with "grasp", indicating a question that is confusing and hard to get.
a complex question to decipher
Uses "complex" instead of "difficult" and "decipher" instead of "understand", implying a question that requires careful analysis.
a knotty question to unravel
Replaces "difficult" with "knotty" and "understand" with "unravel", suggesting a question that is intricate and needs to be resolved.
a demanding question to fathom
Substitutes "difficult" with "demanding" and "understand" with "fathom", emphasizing the effort required to comprehend the question.
an abstruse question to interpret
Uses "abstruse" instead of "difficult" and "interpret" instead of "understand", implying a question that is obscure and needs explanation.
a heavy question to process
Replaces "difficult" with "heavy" and "understand" with "process", suggesting a question that requires significant mental effort.
a thorny issue to wrap your head around
Replaces the whole phrase with an idiom that conveys the difficulty of understanding a complex issue.
a tough concept to internalize
Shifts the focus to the difficulty of making a new concept completely part of one's own understanding or way of thinking.
a mind-bending query to decode
Uses more informal and emphatic language while maintaining the core meaning of the initial request.
FAQs
How can I rephrase "a difficult question to understand" to sound more formal?
For a more formal tone, consider using phrases like "a challenging question to comprehend" or "a complex issue requiring careful analysis". These alternatives, such as "challenging question to comprehend", often suit academic or professional contexts.
What's the difference between "a difficult question to understand" and "a complex question"?
While both suggest a level of intricacy, "a difficult question to understand" specifically highlights the struggle in comprehending the question itself. "A complex question", on the other hand, simply indicates that the question has many parts or layers. Consider using something like "complex question" if that better suits your need.
When is it appropriate to use the phrase "a difficult question to understand"?
Use "a difficult question to understand" when you want to emphasize that the primary challenge lies in grasping the meaning or implications of the question. It's appropriate when the phrasing, context, or subject matter makes the question hard to follow. For example: "This question is a "difficult question to understand" due to the ambiguity around the legal terms involved."
What are some common synonyms for the word "difficult" in the phrase "a difficult question to understand"?
Common synonyms include "challenging", "complex", "intricate", "perplexing", and "thorny". The best choice depends on the specific nuance you want to convey. Using these alternative phrases, such as "challenging", "complex", etc., is largely a stylistic choice.
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
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested