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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
is weak in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is weak in" is correct and usable in written English.
It can be used to describe a lack of strength or proficiency in a particular area or subject. Example: "The team is weak in communication skills, which affects their overall performance."
✓ Grammatically correct
News & Media
Science
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
59 human-written examples
It is weak in high-tech.
News & Media
The law is weak in this regard.
News & Media
(A third candidate, Steve Forbes, is weak in the polls).
News & Media
Not her voice, which is weak in the middle registers.
News & Media
Syria's opposition is weak in a different way.
News & Media
The Lima deal is weak in many respects.
News & Media
Russia is weak in manufacturing, services and high-tech industries.
News & Media
"The UN is weak in protecting, but at least they provide food and water".
News & Media
The chain of command is weak in some places, nonexistent in others.
News & Media
By contrast, the Tory-led government is weak in the face of the powerful few.
News & Media
Hine, strong on fashion, architecture and design, is weak in other areas.
News & Media
Expert writing Tips
Best practice
When using "is weak in", clearly specify the area of weakness to provide context and avoid ambiguity. For example, instead of saying "The strategy is weak", say "The strategy is weak in its execution phase".
Common error
Avoid using "is weak in" without providing specific examples or evidence. Unsupported claims of weakness can undermine your credibility. Provide concrete details to substantiate your assessment.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is weak in" functions as a predicative adjective phrase, modifying a subject to indicate a deficiency or lack of strength in a specific area. Ludwig confirms its grammatical correctness and usability.
Frequent in
News & Media
25%
Science
43%
Formal & Business
5%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is weak in" is a grammatically sound and frequently used expression to point out deficiencies or areas lacking strength. As confirmed by Ludwig, it serves to highlight specific shortcomings, suitable for diverse contexts, from formal reports to casual discussions. Common synonyms include "lacks strength in" or "is deficient in". Ensure clarity by specifying the area of weakness to avoid vagueness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
lacks strength in
This alternative directly states a deficiency in strength or capability.
is deficient in
This phrase highlights a lack or shortage of something necessary or desirable.
has shortcomings in
This option points out specific faults or weaknesses in a particular area.
underperforms in
Focuses on the failure to meet expected performance levels.
is not proficient in
Emphasizes a lack of skill or expertise in a specific domain.
is vulnerable in
Highlights susceptibility to harm or negative consequences in a certain area.
is susceptible to
This suggests a tendency to be affected by something negatively.
struggles with
This emphasizes difficulty or a hard time dealing with something.
falls short in
This indicates a failure to reach a required standard or level.
is inadequate for
This option describes being insufficient or not good enough for a particular purpose.
FAQs
How do I use "is weak in" in a sentence?
Use "is weak in" to describe a specific area where something or someone lacks strength or proficiency. For example, "The company "is weak in" marketing".
What are some alternatives to "is weak in"?
You can use alternatives like "lacks strength in", "is deficient in", or "has shortcomings in" depending on the context.
Is it better to say "is weak in" or "lacks strength in"?
Both "is weak in" and "lacks strength in" are acceptable. The best choice depends on the specific context and desired tone. "Lacks strength in" might sound slightly more formal.
Can "is weak in" be used to describe both people and things?
Yes, "is weak in" can describe both people and things. For example, "He "is weak in" mathematics" (person) and "The product "is weak in" design" (thing).
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested