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 number of difficulties
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a number of difficulties" is correct and usable in written English.
It can be used when referring to several challenges or obstacles that one may encounter in a situation. Example: "The project faced a number of difficulties, including budget constraints and staffing issues."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
several challenges
various problems
multiple obstacles
a range of difficulties
numerous hurdles
a series of setbacks
many complications
a host of issues
several predicaments
a myriad of challenges
various snags
a variety of obstacles
a lot of difficulties
a number of things
a number of thoughts
a variety of difficulties
a number of reasons
a series of difficulties
a number of counterproofs
a number of successes
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
60 human-written examples
Charging for public services faces a number of difficulties.
Encyclopedias
There remain a number of difficulties on my desk which will need to be handled by others".
News & Media
Frost knew that reading the poem as a straight morality tale ought to pose a number of difficulties.
News & Media
But there were a number of difficulties to overcome: how much detail to go into, and what to leave out?
News & Media
In practice, statisticians face a number of difficulties and complications in computing the national product and income.
Encyclopedias
Li acknowledged that the economy had "come under quite a number of difficulties and downward pressure" while stressing it remained in a "proper range", a favourite phrase.
News & Media
Colour Blind Awareness commended presenter Jeremy Vine, the figurehead of the BBC's election graphics, but said a number of difficulties were caused by the on-screen colour palette.
News & Media
A number of difficulties are identified with this approach.
Science
The mapping theory faces a number of difficulties.
Science
This view obviously faces a number of difficulties.
Science
Would-be graduate medics face a number of difficulties.
Science & Research
Expert writing Tips
Best practice
When using "a number of difficulties", be specific about the nature of these difficulties to provide clarity and context to your audience.
Common error
Avoid using "a number of difficulties" without specifying what those difficulties are. Readers need context to understand the scope and impact of the difficulties.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a number of difficulties" functions as a noun phrase acting as a subject, object, or complement in a sentence. It identifies the existence of multiple challenges or problems. Ludwig provides numerous examples across diverse contexts confirming its usability.
Frequent in
Science
43%
News & Media
25%
Wiki
13%
Less common in
Formal & Business
8%
Encyclopedias
8%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a number of difficulties" is a grammatically correct and frequently used phrase to indicate the presence of multiple challenges or problems. As confirmed by Ludwig, the phrase is versatile, appearing across various domains such as science, news, and business. While widely accepted, it's crucial to provide context or specify the difficulties to enhance clarity and impact. For alternatives, consider options like "several challenges", "various problems", or "multiple obstacles", tailoring your choice to the specific context. The frequency and distribution of this phrase make it a valuable tool in effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
several challenges
Replaces "number" with "several" emphasizing a few specific challenges.
various problems
Substitutes "difficulties" with "problems", indicating a range of issues.
multiple obstacles
Emphasizes obstructions instead of general difficulties.
numerous hurdles
Replaces "difficulties" with "hurdles", suggesting challenges that need to be overcome.
a series of setbacks
Focuses on negative events that impede progress.
many complications
Highlights complexities rather than simple difficulties.
a host of issues
Uses "host" to indicate a large quantity of problems.
several predicaments
Indicates troublesome or complex situations.
a myriad of challenges
Emphasizes the great number and variety of challenges.
various snags
Replaces difficulties with minor hitches or impediments.
FAQs
How can I use "a number of difficulties" in a sentence?
You can use "a number of difficulties" to introduce a list of problems or challenges, such as: "The project faced "a number of difficulties", including budget constraints and staffing shortages."
What are some alternatives to saying "a number of difficulties"?
Depending on the context, you can use alternatives like "several challenges", "various problems", or "multiple obstacles".
Is it better to specify the difficulties instead of saying "a number of difficulties"?
In many cases, being specific is preferable. However, "a number of difficulties" can be useful as a general introduction before detailing specific issues, or when the specific difficulties are already understood by the audience.
What's the difference between "a number of difficulties" and "a range of difficulties"?
"A number of difficulties" implies multiple challenges, while "a range of difficulties" suggests that the challenges vary in type or severity.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested