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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
they lack understanding
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'they lack understanding' is correct and usable in written English.
You might use it in a sentence like: "The leaders of the opposing teams showed that they lacked understanding of the other's position."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
they have a limited understanding
their comprehension is limited
they fail to comprehend
they are ignorant
they are uninformed
they are clueless
they lack intelligence
they lack consciousness
they lack knowledge
they lack familiarity
they lack insight
they are unaware
lack of exposure
lack of understanding
they lack of
they are unconvinced
The New York Times
The Guardian
they express doubt
they are in the dark
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
8 human-written examples
Karel Lannoo, from the Centre for European Policy Studies thinktank, told Bloomberg in Brussels that policymakers and politicians did not understand the markets' reaction to Greece's financial crisis: They lack understanding.
News & Media
"But they lack understanding.
News & Media
Watson Sims Asheville, N.C., Jan . 18 , 2011 To the Editor: I think it is unfair to assume that Amy Chua's children, Lulu and Sophia, haven't been properly exposed to social situations, and to imply that they lack understanding of how to function in a group.
News & Media
Although Chinese companies have good manufacturing skills they lack understanding of sophisticated markets – and they know this.
News & Media
Forty percent of respondents to a BAE Systems survey of senior managers in various sectors said they lack understanding of their own company's cybersecurity protocols.
News & Media
This would be a very damning indictment of the science programs that produced these biologists if they lack understanding of the fundamental ideas regarding biological evolution.
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
In the face of predicted climate change scenarios, limitations in cold tolerance knowledge are therefore particularly unfortunate because they mean we lack understanding about the potential ability of nematodes to withstand unpredictable environments.
Science
'mother or older sister has just had a baby or grandmothers are sometimes still involved, so they would maybe hang on their ideas and their words as opposed to the mentor' (Midwife 1, Early interview) Mentors reported communication difficulties with women of different ethnic backgrounds; these women could speak English but at times they appeared to lack understanding.
Science
In addition, there is a consistent discrepancy between participants' perception of the importance of delirium and their understanding of delirium; while the respondents acknowledged delirium is highly prevalent and important, they lacked understanding and were unfamiliar with delirium assessment tools.
Science
(B) Some midwives felt that they lacked understanding of mental health issues: "In my experience, I know I have found it difficult… a lot of the midwives now, including myself, have been direct entry [into midwifery] so we don't have any experience in general or mental health nursing".
Science
However, some caregivers lack understanding as they think that the correct way of handling issues that arise is through not intervening, or directly sending the child to a psychologist.
Expert writing Tips
Best practice
When using the phrase "they lack understanding", ensure the context clearly identifies who "they" refers to and what specific understanding is missing. This avoids ambiguity and strengthens your argument.
Common error
Avoid using "they lack understanding" without specifying the area of misunderstanding. Being specific strengthens your critique and prevents misinterpretations.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they lack understanding" functions as a declarative statement, asserting a deficiency in comprehension. As Ludwig AI confirms, it is grammatically correct. Examples show it used to express criticism or concern about someone's grasp of a subject.
Frequent in
News & Media
30%
Science
30%
Wiki
10%
Less common in
Formal & Business
10%
Academia
10%
Reference
10%
Ludwig's WRAP-UP
The phrase "they lack understanding" is a grammatically correct and commonly used expression to denote a deficiency in comprehension. As Ludwig AI indicates, the phrase is suitable across various contexts, particularly in news, science, and informal writing. The phrase functions as a declarative statement and aims to express criticism or concern about a subject's grasp of something. It's important to provide clear context when using this phrase to avoid ambiguity. Consider alternatives like "they have a limited understanding" or "they fail to comprehend" for nuanced expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they have a limited understanding
Indicates a restricted or incomplete level of comprehension.
they fail to comprehend
Emphasizes a failure in the process of understanding.
their comprehension is limited
Focuses on the limited scope of their understanding.
they haven't grasped the concept
Focuses on the failure to fully understand a particular idea.
they are uninformed
Emphasizes the absence of necessary information.
their grasp is weak
Highlights a weak hold on the concepts or subject matter.
they are ignorant
Focuses on a state of being unaware or uninformed.
they are oblivious
Highlights a lack of awareness of what's happening around them.
they are clueless
Suggests a complete lack of understanding, often in a humorous way.
they don't get it
A more informal way to say they don't understand.
FAQs
How can I rephrase "they lack understanding"?
You can use alternatives such as "they have a limited understanding", "their comprehension is limited", or "they fail to comprehend" depending on the context.
Is it appropriate to use "they lack understanding" in formal writing?
Yes, "they lack understanding" is suitable for formal writing. However, ensure that your writing clearly specifies who "they" refers to and what they do not understand. Alternatives such as "they have a limited understanding" may be preferable in some contexts.
What's the difference between "they lack understanding" and "they are misinformed"?
"They lack understanding" suggests a general lack of comprehension, while "they are misinformed" indicates that they possess incorrect information. The former implies a gap in knowledge, whereas the latter implies the presence of false knowledge. You can replace "they lack understanding" with phrases like "they are ignorant" in certain contexts, though the level of formality might change.
How to use "they lack understanding" effectively in a sentence?
To use "they lack understanding" effectively, provide context. For instance, "The policymakers lack understanding of the market's reaction" is more effective than simply stating "they lack understanding". Be precise about the subject and the object of understanding.
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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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested