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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
difficulties persist for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "difficulties persist for" is correct and usable in written English.
It can be used when discussing ongoing challenges or issues that continue to affect a person, group, or situation. Example: "Despite the efforts made, difficulties persist for the team in meeting their project deadlines."
✓ Grammatically correct
Food and Agriculture Organization of the United Nations
EURASIP Journal on Advances in Signal Processing
Chemical Society Reviews
The New York Times
BMC Musculoskeletal Disorders
Emerging Infectious Diseases
BBC
European Journal of Medical Genetics
HuffPost
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
1 human-written examples
In Burundi, food difficulties persist for the IDPs currently estimated at around 324 000.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
For higher SNR, this difficulty persisted for CCA while the performance of CoM2 slightly improved.
For controlled release, issues with encapsulation efficacy, the stability of encapsulated proteins and sensitive bioactive molecules, and long-term delivery of hydrophobic molecules persist; for insoluble cues, difficulties persist with the dynamic presentation of multiple cues with high spatial resolution.
Science
But those rallies generally fade, as it becomes clear that economic difficulties will persist for longer than many had hoped for.
News & Media
From this study, we are able to conclude that the majority of patients, should experience the majority of their improvement within six-months post-fracture, but a minority of patients will have lasting difficulties that persist for one year.
If the emergence of a new infectious disease is likely to increase the prevalence of significant distress in HCWs by 50%, to double the number of HCWs who are reducing their clinical practice or calling in sick, and if these difficulties will persist for >1 2 years after the outbreak's resolution, we want to learn from the SARS experience to try to buffer this negative impact.
Science
Still, she said, difficulties persist.
News & Media
But months pass, and the difficulties persist.
News & Media
Difficulties persist in the prenatal diagnosis of agnathia-otocephalic patients.
For most Burmese -- the tens of millions who have not been able to fight the generals to a standoff -- all of these difficulties persist, along with a fear of being jailed and tortured by Military Intelligence.
News & Media
If the difficulties persist, parents are advised to seek help from the school or a GP.
News & Media
Expert writing Tips
Best practice
When using "difficulties persist for", ensure the context clearly identifies who or what is experiencing the ongoing challenges. Providing specific examples can enhance clarity and impact.
Common error
While grammatically sound, using "difficulties persist for" in excessively formal contexts can sound redundant. Consider simpler alternatives like "challenges remain" for a more concise delivery.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "difficulties persist for" functions as a statement indicating that certain problems or challenges are continuing to affect someone or something. As Ludwig AI points out, it suggests an ongoing state of trouble or adversity.
Frequent in
News & Media
52%
Science
33%
Academia
10%
Less common in
Formal & Business
3%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
In summary, "difficulties persist for" is a grammatically sound and commonly used phrase to express that challenges are ongoing. According to Ludwig AI, the phrase is correct and usable in written English. It is most frequently found in news and media, scientific, and academic contexts. When using this phrase, ensure that the context clearly identifies the entity facing the ongoing problems. Alternatives like "challenges continue for" and "problems remain for" can be used depending on the desired level of formality and emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
challenges continue for
Replaces "difficulties" with "challenges", a synonym, maintaining the same structure.
problems remain for
Substitutes "difficulties" with "problems", offering a slightly more direct alternative.
obstacles persist for
Substitutes "difficulties" with "obstacles", highlighting the hindering nature of the ongoing issues.
issues linger for
Replaces "difficulties" with "issues" and "persist" with "linger", indicating a prolonged problem.
hardships endure for
Uses "hardships" in place of "difficulties" and "endure" instead of "persist", suggesting a more severe and prolonged challenge.
setbacks continue for
Replaces "difficulties" with "setbacks", focusing on the hindering effect of the ongoing problems.
struggles carry on for
Replaces "difficulties" with "struggles" and uses the phrasal verb "carry on" instead of "persist", conveying a sense of ongoing effort against adversity.
complications endure for
Uses "complications" instead of "difficulties" and "endure" in place of "persist", indicating intricate and lasting problems.
adversities remain for
Replaces "difficulties" with "adversities", suggesting a more formidable and challenging situation.
predicaments persist for
Substitutes "difficulties" with "predicaments", emphasizing the challenging and complex nature of the situations.
FAQs
How can I rephrase "difficulties persist for" to sound more formal?
In more formal contexts, consider using alternatives such as "challenges remain for" or "obstacles endure for" to maintain a professional tone.
What are some simpler alternatives to "difficulties persist for"?
For simpler options, you can use phrases like "problems remain for" or "issues continue for". These alternatives offer a more direct and less verbose way to convey the same meaning.
Is "challenges continue for" interchangeable with "difficulties persist for"?
Yes, "challenges continue for" is largely interchangeable with "difficulties persist for". However, "challenges" might imply a more active effort to overcome obstacles, while "difficulties" is more neutral.
When should I use "hardships endure for" instead of "difficulties persist for"?
Use "hardships endure for" when you want to emphasize the severity and prolonged nature of the challenges faced. "Hardships" carries a stronger connotation of suffering and endurance than "difficulties".
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested