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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
cannot understand this
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "cannot understand this" is correct and usable in written English. You can use it when expressing confusion or lack of comprehension about a specific topic or statement. Example: "After reading the instructions, I still cannot understand this." Alternative expressions include "unable to grasp this" and "don't comprehend this."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
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
25 human-written examples
Non-Black people must accept that they will never embody and cannot understand this gesture: the evidence of their collective lack of understanding is that Black people go on dying at the hands of white supremacists, that Black communities go on living in desperate poverty not far from the museum where this valuable painting hangs, that Black children are still denied childhood.
News & Media
Ivan Grigoryevich cannot understand this.
News & Media
I still cannot understand this.
News & Media
I cannot understand this mentality.
News & Media
Wallace says he cannot understand "this love affair with PII".
News & Media
"If we focus on this minor fact, we cannot understand this great pope," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
I cannot understand the logic of this.
News & Media
Emmy Okello, a radio journalist in Lira, said: "I cannot understand the intention of this video.
News & Media
"Until you stand in front of it, you cannot understand the magnitude of this thing," Mr. Whitenight said during a recent tour, pausing before a case full of pheasants, which turned up at a Bonhams auction in Australia.
News & Media
"I cannot understand the intention of this video," said Emmy Okello, a journalist in Lira, according to The Guardian.
News & Media
You cannot understand the kind of impact this will have on the team and the community.
News & Media
Expert writing Tips
Best practice
Pair the phrase with a specific reason or evidence to provide depth to your statement, as seen in many journalistic examples.
Common error
While grammatically perfect, "cannot understand this" can sound stiff in spoken conversation. In casual dialogue, the contraction "can't" is almost always preferred to avoid sounding unnatural or overly dramatic.
Source & Trust
95%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cannot understand this" functions as a declarative statement indicating a lack of cognitive or intellectual access to a specific object or concept. Grammatically, it consists of the modal verb "cannot", the transitive verb "understand" and the demonstrative pronoun "this". According to Ludwig AI, it is a standard and correct construction used to signal an absolute negative ability.
Frequent in
News & Media
65%
Science
20%
Encyclopedias
10%
Less common in
Wiki
3%
Social Media
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "cannot understand this" is a versatile and grammatically robust tool for expressing a lack of comprehension. Ludwig AI confirms its widespread use across high-authority sources, particularly when authors are grappling with complex social issues or scientific data. Whether used to signal a genuine intellectual hurdle or to emphasize a moral stance against something perceived as "barbaric" or "illogical", the phrase maintains a professional and clear tone. While "<a href="/s/can't+understand+this" target="_blank" rel="alternative">can't understand this" is the standard for spoken English, keeping the full form "cannot" ensures your writing remains sophisticated and authoritative in formal documents and journalism.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unable to comprehend this
Increases the level of formality and suggests a deeper intellectual barrier
cannot grasp this
Uses a metaphor of physical holding to represent mental understanding
fail to understand this
Emphasizes the lack of success in the attempt to process information
cannot make sense of this
Often implies that the subject is illogical or chaotic
cannot fathom this
Suggests that the concept is too deep or immense to measure
don't understand this
A more common and less formal contraction of the same idea
cannot process this
Suggests a cognitive or computational limit to handling the data
am perplexed by this
Shifts the focus to the speaker's state of confusion
cannot figure this out
Commonly used when referring to a specific problem or puzzle
cannot wrap my head around this
An idiomatic and informal way to express total confusion
FAQs
How do I use "cannot understand this" in a sentence?
You can use it to describe a lack of comprehension about a specific situation, such as "I have read the report multiple times but I cannot understand this conclusion."
What can I say instead of "cannot understand this"?
Depending on the tone, you could use "<a href="/s/unable+to+grasp+this" target="_blank" rel="alternative">unable to grasp this", "<a href="/s/cannot+comprehend+this" target="_blank" rel="alternative">cannot comprehend this" or the more informal "<a href="/s/can't+make+sense+of+this" target="_blank" rel="alternative">can't make sense of this".
Is it "cannot understand this" or "can not understand this"?
In modern English, "cannot" is the standard form for the negative of "can". "Can not" is typically only used if the word "not" belongs to a different phrase, such as in "One can not only understand this but also master it."
What is the difference between "cannot understand this" and "unable to understand this"?
The phrase "<a href="/s/unable+to+understand+this" target="_blank" rel="alternative">unable to understand this" sounds slightly more formal and often implies a permanent or inherent lack of ability, whereas "cannot understand this" often refers to a specific, immediate instance of confusion.
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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
95%
Authority and reliability
4.9/5
Expert rating
Real-world application tested