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
are also difficult to apply
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are also difficult to apply" is correct and usable in written English.
You can use it when discussing concepts, theories, or methods that present challenges in practical implementation. Example: "While the theories are sound, they are also difficult to apply in real-world situations."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(2)
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
4 human-written examples
The traditional sizing equations, API 520 and DIERS, are also difficult to apply in near critical region and they include coefficients that are sometimes difficult to obtain.
Without variation in the cost of resistance, these models for the maintenance of diversity are also difficult to apply to this population.
Science
Study-specific conversion factors are also difficult to apply to other studies with differing distributions of underlying co-factors.
However, weight loss and exercise are difficult to maintain for the prolonged periods of time required for cancer prevention studies, and are also difficult to apply to the general population.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
RT is also difficult to apply from the perspectives of the manufacturing of the submarine and economic feasibility.
The approach is also difficult to apply in regions of the genome with low recombination frequency, unless a huge number of recombinant individuals are screened, since recombination data have to be obtained from continuous genome sequences.
Science
The hand-rinse is also difficult to apply to young children's hands.
Science
This classification system is also difficult to apply to diseases where neoadjuvant chemotherapy is used because of the impact of this on post-operative histology.
Science
In the study of fetal origins of schizophrenia, it is also difficult to apply the case control approach, because reliable evidence of events that occurred during fetal development cannot be obtained easily.
The full version of the guidelines is difficult to apply to individual diagnostic situations and it is also difficult to use it for assessment of diagnostic behaviour [ 13].
Science
Unfortunately, they are also difficult to remember.
News & Media
Expert writing Tips
Best practice
When discussing the limitations of a theory or method, use "are also difficult to apply" to highlight the practical challenges alongside theoretical soundness. For example: "While the theories are sound, they are also difficult to apply in real-world situations."
Common error
Avoid using "are also difficult to apply" when the challenges are minimal or easily overcome. Overstating the difficulty can undermine your credibility. Instead, be specific about the nature and extent of the challenges involved.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are also difficult to apply" functions as a commentary on the practicality or feasibility of implementing a concept, method, or rule. Ludwig AI confirms the correctness of the phrase, showcasing its role in expressing implementation challenges.
Frequent in
Science
57%
News & Media
28%
Wiki
15%
Less common in
Ludwig's WRAP-UP
In summary, the phrase "are also difficult to apply" is used to express the practical challenges and limitations associated with implementing a concept, method, or rule. As Ludwig AI confirms, it is grammatically correct and frequently appears in scientific, news, and general contexts. When using this phrase, be specific about the nature and extent of the challenges to maintain credibility. Consider alternatives such as "are similarly challenging to implement" or "present similar implementation challenges" for nuanced variations in wording. Avoid overstating the difficulty, as it can undermine your arguments.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are similarly challenging to implement
Changes the phrasing to emphasize the challenging nature of implementation.
present similar implementation challenges
Shifts the focus to the challenges that arise during implementation.
are likewise problematic in application
Replaces "difficult" with "problematic" and "apply" with "application".
are equally complex to put into practice
Uses "complex" instead of "difficult" and specifies "put into practice".
pose comparable hurdles for utilization
Employs "hurdles" to represent difficulties and "utilization" for application.
are no easier to execute
Simplifies the language while retaining the core meaning of difficulty.
are just as unwieldy to administer
Substitutes "difficult" with "unwieldy" and "apply" with "administer".
are fraught with similar practical obstacles
Highlights the presence of practical obstacles making application hard.
are marked by analogous implementation complexities
Focuses on implementation complexities and uses "analogous" to indicate similarity.
share similar practical limitations
Emphasizes the practical limitations that make the application difficult.
FAQs
How can I use "are also difficult to apply" in a sentence?
Use "are also difficult to apply" when you want to point out the practical challenges or limitations associated with implementing or using something. For instance, "The regulations are well-intentioned, but they are also difficult to apply consistently."
What are some alternatives to "are also difficult to apply"?
Alternatives include "are similarly challenging to implement", "present similar implementation challenges", or "are likewise problematic in application", depending on the specific nuance you want to convey.
What's the difference between "are difficult to apply" and "are impossible to apply"?
"Are difficult to apply" suggests that something is challenging but potentially feasible with effort, while "are impossible to apply" indicates that something cannot be applied under any circumstances. The former implies challenges, while the latter implies a complete barrier.
Is it better to say "are difficult to apply" or "pose challenges in application"?
Both "are difficult to apply" and "pose challenges in application" are grammatically correct. The choice depends on your writing style. "Are difficult to apply" is more direct, while "pose challenges in application" may sound more formal.
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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested