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
strong knowledge in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "strong knowledge in" is correct and usable in written English.
It describes a general understanding of a particular subject. For example, "He had a strong knowledge in biology, which enabled him to excel in his studies."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
2 human-written examples
Representative George Miller of California, the ranking Democrat on the House education committee, said the new law spelled out what was required for a teacher to be deemed "highly qualified": evidence of strong knowledge in a given subject and state certification through either a conventional or alternative training program.
News & Media
"It is fundamental to have a strong knowledge in botany for any work with plants; we have to be sure about identification," the Portuguese researcher says.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
For this wave, it was key for corporate proficiency to partner with a strong knowledge platform in order to develop successful products for export.
News & Media
My creative juices and ideas were let loose; it was wonderful and I began to develop a strong knowledge base in this area.
News & Media
Each of these shifts initiates the integration of new domains of industry-external knowledge into the knowledge base, thus opening windows of competitive opportunity for potential entrants with strong knowledge positions in the new focus of inventive activity.
Science
Welding engineers and metallurgical- and quality-control testing supervisors also require a strong knowledge base in metallurgy.
Wiki
Growth and analytics are the key focus for the role, and candidates should have strong knowledge and experience in tracking digital media analytics as well as devising, executing and tracking growth strategies across the full spectrum of growth-oriented efforts, from recirculation, to SEO, to product refinements and syndication.
News & Media
When I wrote about this last time I was bombarded by criticism for suggesting that amateur, online criticism, often anonymous, was not as valuable for the field as criticism by professional journalists with a strong knowledge and background in the art form they cover.
News & Media
This is reflected by their strong knowledge services sector, reflected in the presence of big consultancies like KPMG, law firms like Osborne Clarke and digital and creative businesses like digital studio, Focus.
News & Media
And since weak knowledge internalism is included in strong knowledge internalism as a part, as per comments made above concerning statements A and B, we may say that strong AKE also rejects strong knowledge internalism.
Science
It has been shown that physicians need strong knowledge and clinical skills in order to appropriately synthesize data, a skill required while making differential diagnoses.
Expert writing Tips
Best practice
When describing someone's qualifications, use "strong knowledge in" to highlight their expertise in a particular field. For example: "The candidate demonstrated a "strong knowledge in" data analysis".
Common error
While "strong knowledge in" is a useful phrase, avoid using it repeatedly in a single piece of writing. Vary your language by using alternatives like "deep understanding of" or "extensive background in" to maintain reader engagement.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "strong knowledge in" functions as an adjective phrase modifying the noun "knowledge", indicating a high degree of understanding or proficiency within a specific field. Ludwig AI confirms its grammatical correctness and usability. It serves to highlight competence in a particular area.
Frequent in
Science
34%
News & Media
33%
Formal & Business
16%
Less common in
Wiki
8%
Encyclopedias
4%
Reference
4%
Ludwig's WRAP-UP
In summary, "strong knowledge in" is a grammatically sound and frequently used phrase that denotes a significant level of understanding within a specific area. According to Ludwig AI, it is considered correct and usable in written English. Its usage spans various domains, including science, news media, and formal business communications, highlighting its versatility. While "strong knowledge in" is useful, you should be mindful of overusing it; consider alternatives to diversify your writing. Ludwig's examples show it's commonly used to describe qualifications and expertise in professional and academic contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
deep knowledge in
Emphasizes the depth of understanding rather than just the strength.
solid knowledge in
Suggests a firm and reliable understanding.
extensive knowledge in
Focuses on the breadth of understanding.
considerable knowledge in
Highlights the amount of knowledge possessed.
substantial knowledge in
Similar to considerable, but slightly more formal.
strong expertise in
Replaces "knowledge" with "expertise", indicating a higher level of practical skill.
comprehensive knowledge in
Highlights the thoroughness of understanding.
profound knowledge in
Emphasizes the depth and insightfulness of the knowledge.
thorough knowledge in
Focuses on the completeness of understanding.
good command of
Indicates a high level of skill or proficiency, not just knowledge.
FAQs
How can I use "strong knowledge in" in a sentence?
You can use "strong knowledge in" to describe someone's expertise or understanding of a subject. For example: "She has a "strong knowledge in" environmental science", or "A "strong knowledge in" mathematics is essential for this role".
What are some alternatives to "strong knowledge in"?
Alternatives include "deep understanding of", "extensive knowledge of", or "solid grasp of depending on the specific context and nuance you want to convey".
Is it better to say "strong knowledge of" or "strong knowledge in"?
Both "strong knowledge of" and "strong knowledge in" are grammatically correct, but "strong knowledge in" is used to describe a general understanding of a particular subject. For example, "He had a "strong knowledge in" biology, which enabled him to excel in his studies."
How does "strong knowledge in" compare to "expertise in"?
"Strong knowledge in" indicates a solid understanding of a subject, while "expertise in" suggests a higher level of practical skill and experience. You might have "strong knowledge in" a theory, but "expertise in" applying it.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested