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
hard to recognise
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hard to recognise" is correct and usable in written English.
It can be used when describing something that is difficult to identify or acknowledge. Example: "After the renovation, the old building was hard to recognise."
✓ Grammatically correct
News & Media
Science
Wiki
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
37 human-written examples
It is hard to recognise the victims.
News & Media
It's just sometimes hard to recognise when this is happening.
News & Media
Overall, the plot is barely credible and the scientific setting hard to recognise.
News & Media
For a young singer it's often hard to recognise when a teacher is merely adequate.
News & Media
It is hard to recognise that here, bar a few isolated examples.
News & Media
But it's hard to recognise Verwoerd's dangerous force in the stilted figure gobbling pickled herring.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
It is even harder to recognise in Luisa Lambri's studies of Frank Lloyd Wright houses, where slivers of ornamented window frame appear out of dark surroundings.
News & Media
If economics could try harder to recognise that people try to be rational, but in certain, often predictable, ways fail to be, the positivist approach would have a better foundation.
News & Media
Translation by Natalie Pilato) "While gentrification in Berlin is harder to recognise than in New York or London due to the low base from which rent prices started at, the percentage increases are extreme.
News & Media
And it's perhaps even harder to recognise how completely Leavis, and the literary critical consensus associated with his name, has been swept aside since his death in 1978.
News & Media
Hackers have tried to counter detection by using a technique called "real-time polymorphism" - making their bots rewrite their own code every time they infect a new machine to make them harder to recognise.
News & Media
Expert writing Tips
Best practice
When describing transformations or changes, use "hard to recognise" to emphasize the extent of the alteration. For example, "After the extensive renovations, the building was so different it was "hard to recognise".
Common error
Instead of saying "It is "hard to recognise"", try using an active construction like "One struggles to recognise" to create a more engaging and direct sentence.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hard to recognise" functions as an adjective phrase modifying a noun or pronoun, indicating the difficulty in identifying or perceiving something. As confirmed by Ludwig, this phrase is grammatically correct and widely used.
Frequent in
News & Media
48%
Science
28%
Wiki
8%
Less common in
Formal & Business
6%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "hard to recognise" is a versatile and grammatically sound expression used to convey difficulty in identifying or perceiving something. As Ludwig confirms, it's suitable for various contexts, ranging from describing physical changes to abstract concepts. Appearing frequently in News & Media, Science, and Wiki sources, the phrase demonstrates a neutral register. When writing, consider using alternatives like "difficult to identify" or "not easily recognized", depending on the desired level of formality. Be mindful of overusing the passive voice and strive for more active constructions when appropriate. Ultimately, "hard to recognise" provides a concise and effective way to communicate challenges in recognition.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
difficult to identify
Focuses on the challenge of pinpointing or naming something specifically.
challenging to discern
Highlights the effort required to perceive or understand something clearly.
not easily recognized
Emphasizes the lack of immediate or obvious identification.
tough to make out
Suggests a struggle to see or understand something due to obscurity or vagueness.
hard to distinguish
Focuses on the difficulty in differentiating between two or more things.
obscure to identify
Highlights the lack of clarity or prominence, making recognition difficult.
difficult to perceive
Emphasizes the challenge in becoming aware of something through the senses.
unclear to detect
Focuses on the absence of clarity, making detection difficult.
subtle to notice
Highlights that the features or characteristics are not immediately obvious.
elusive to grasp
Suggests the idea or concept is difficult to comprehend or understand.
FAQs
How can I use "hard to recognise" in a sentence?
You can use "hard to recognise" to describe something that has changed significantly or is obscured in some way. For example, "The city had changed so much that it was "hard to recognise".
What are some alternatives to "hard to recognise"?
Alternatives include "difficult to identify", "not easily recognized", or "challenging to discern", depending on the specific context.
Is it correct to say "hardly recognisable" instead of "hard to recognise"?
"Hardly recognisable" means something is almost not recognisable at all. "Hard to recognise" implies it requires effort, but is still possible. Choose the phrase that best fits the degree of difficulty.
What's the difference between "difficult to recognise" and "hard to recognise"?
While both phrases convey a similar meaning, "hard to recognise" is generally considered more informal. "Difficult to recognise" might be preferred in more formal or academic writing.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested