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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
understands it well
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "understands it well" is correct and usable in written English.
You can use it to describe someone’s proficiency or comprehension of a subject or concept. Example: "She has studied the material thoroughly and understands it well, which is evident in her performance on the exam."
✓ Grammatically correct
News & Media
Science
Alternative expressions(2)
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
This look is a McCartney signature by now – she wears it herself and understands it well.
News & Media
After more than three years on Merseyside, Lucas Leiva still struggles with the local accent, but understands it well enough to work out that Liverpool's supporters are now singing his name without irony.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
b For this item, 1 = I don't understand it at all, 2 = I have a slight understanding, 3 = I have some understanding, 4 = I understand it well, and 5 = I understand it very well.
Science
I understand it well.
News & Media
And I don't actually think we understand it well.
News & Media
"We've been studying Western history for so long, we understand it well," Zeng said.
News & Media
I've spent most of my professional life working on options theory, and I understand it well.
News & Media
Their relationship to the language tends to be passive — most people understand it well, because they hear it frequently, but they struggle to speak it.
News & Media
Although Yiddish is not the most vibrant language these days, quite a few in the older cohort understood it well enough.
News & Media
It is a novel of ellipses: to understand it well, we must learn to read between the lines, as Gatsby fails to do.
News & Media
7. Do some revision of your native language Speaking your first language may be second nature, but that doesn't necessarily mean you understand it well.
News & Media
Expert writing Tips
Best practice
When using "understands it well", ensure the context provides a clear reference for "it". The subject of understanding should be easily identifiable to avoid ambiguity.
Common error
While "understands it well" is generally acceptable, consider using more sophisticated language like "possesses a comprehensive grasp of" or "demonstrates mastery of" in highly formal or academic writing to enhance the tone.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "understands it well" functions as a verb phrase indicating a subject's strong comprehension or knowledge of a specific topic. It implies a level of understanding that goes beyond basic familiarity. Ludwig confirms that this phrase is usable in written English.
Frequent in
News & Media
50%
Science
30%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "understands it well" is a grammatically correct and commonly used expression to indicate a strong comprehension of a particular subject. As noted by Ludwig, it is versatile enough for various contexts, though more formal alternatives may be preferred in academic writing. Its frequency in news and media sources suggests it's a readily understood phrase. When using "understands it well", ensure the subject of understanding is clear to avoid ambiguity. Consider alternative phrases like "grasps it thoroughly" or "comprehends it effectively" depending on the specific nuance you want to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
grasps it thoroughly
Focuses on a deep and complete understanding.
comprehends it effectively
Highlights the effectiveness of the understanding.
has a firm grasp of it
Emphasizes the sureness and control of the understanding.
is well-versed in it
Implies extensive knowledge and familiarity.
is knowledgeable about it
Focuses on possessing a significant amount of information.
has a good handle on it
Suggests a practical and working understanding.
is fully aware of it
Highlights complete awareness and understanding.
knows it inside and out
Emphasizes comprehensive and detailed knowledge.
has mastered it
Implies a very high level of skill and understanding.
is conversant with it
Suggests familiarity and ability to discuss it intelligently.
FAQs
How can I rephrase "understands it well" to sound more formal?
Consider using phrases such as "possesses a comprehensive grasp of", "demonstrates mastery of", or "exhibits a thorough understanding of" as more formal alternatives to "understands it well".
What's a simple way to say someone "understands it well"?
Simpler alternatives include "gets it", "knows it", or "understands it perfectly". However, these might be less precise in conveying the depth of understanding.
Is it correct to say "understands it good" instead of "understands it well"?
No, "understands it good" is grammatically incorrect. "Well" is an adverb that correctly modifies the verb "understands", while "good" is an adjective.
What's the difference between "understands it well" and "knows it well"?
"Understands it well" emphasizes comprehension and cognitive grasp, while "knows it well" can refer to either comprehension or familiarity with facts and details. The former implies a deeper level of insight.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested