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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
difference is hard to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "difference is hard to" is correct and usable in written English.
It can be used when discussing the challenges of recognizing or understanding differences in various contexts, such as opinions, cultures, or situations. Example: "In a world filled with diverse perspectives, the difference is hard to appreciate without open-mindedness."
✓ Grammatically correct
Science
News & Media
Alternative expressions(1)
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
13 human-written examples
Often density estimates between two time periods might be statistically significantly different, but the biological significance of that difference is hard to assess.
Science
Whether it made any difference is hard to say.
News & Media
This difference is hard to see in the field and is not definitive.
Academia
It's important to know the difference, but sometimes that difference is hard to tell.
News & Media
This difference is hard to understand as the concept of compression on one side and tension on the other side of the tooth undergoing movement is hypothetical.
Science
But the difference is hard to notice.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
But the biggest difference is harder to see.
News & Media
The other major difference is harder to define, because it is finally a matter of quality.
News & Media
For training 1 (top graph) the difference is harder to see.
Science
Another difficulty is that some things that make a big difference are hard to measure, like health-gain from an operation, and hard to add to other good things, like clean air, to produce a national total.
News & Media
The reasons for this difference are hard to ascertain without a detailed understanding of what was included in the HR-MSM cost in that study.
Science
Expert writing Tips
Best practice
When using the phrase "difference is hard to", ensure you provide context on why the difference is difficult to perceive. This adds clarity and depth to your statement.
Common error
Avoid using "difference is hard to" when the difference is, in fact, quite obvious. This diminishes the impact of the phrase and can confuse your reader. If the difference is merely subtle, consider using more precise language.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "difference is hard to" functions as a qualifying statement, indicating that a distinction exists but is not easily perceptible or comprehensible. Ludwig AI examples show this used across various domains to express the difficulty in discerning subtle variations.
Frequent in
Science
50%
News & Media
42%
Academia
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "difference is hard to" effectively communicates that a distinction exists but is not easily perceived or understood. Ludwig AI identifies this phrase as grammatically sound and commonly used across various contexts, including science, news media, and academia. While relatively straightforward, employing this phrase requires careful consideration of why the difference is challenging to discern, as well as avoiding its use when the difference is actually quite obvious. Related phrases, such as "disparity is difficult to discern", offer alternative ways to express this idea with slightly different nuances. Therefore, knowing when to use "difference is hard to" correctly improves clarity and precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it's challenging to differentiate
Focuses on the difficulty in distinguishing between two or more things.
the disparity is difficult to discern
Indicates that the difference exists but is challenging to identify clearly.
the distinction is subtle
Emphasizes the subtlety of the difference, making it not immediately obvious.
the change is almost undetectable
Stresses that the alteration is so slight that it's nearly impossible to perceive.
the contrast is imperceptible
Highlights the lack of noticeable difference, implying it's virtually undetectable.
the effect is barely noticeable
Highlights that the impact or result of something is minimal and hard to see.
the nuance is elusive
Emphasizes the subtlety and difficulty in grasping the finer points of the difference.
the variation is negligible
Focuses on the insignificance of the difference, suggesting it's too small to matter.
the impact is subtle
Implies the difference exists, but is so slight, it's likely to be missed.
it's a fine line
Indicates that the difference is very small and easy to miss.
FAQs
What does "difference is hard to" mean?
The phrase "difference is hard to" means that there is a distinction between two or more things, but it is not easily perceived or understood. For similar phrases, you can use "distinction is subtle" or "disparity is difficult to discern".
How can I use "difference is hard to" in a sentence?
You can use "difference is hard to" when describing a subtle distinction or a complex comparison. For example, "The "difference is hard to" notice without careful examination" or "The "difference is hard to" understand without technical knowledge."
What are some alternatives to "difference is hard to"?
Alternatives to "difference is hard to" include phrases such as "it's challenging to differentiate", "nuance is elusive", or "contrast is imperceptible". The best choice depends on the specific nuance you want to convey.
Is it better to say "difference is hard to see" or "difference is hard to understand"?
The choice between "difference is hard to see" and "difference is hard to understand" depends on whether the difficulty lies in perceiving it visually or comprehending it intellectually. For a subtle visual distinction, use "see". For a complex conceptual distinction, use "understand".
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested