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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
we really know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "we really know" is correct and usable in written English.
It can be used to emphasize certainty or confidence about a particular piece of information or understanding. Example: "After conducting extensive research, we really know the impact of climate change on our environment."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
we are certain
we have a clear understanding
we are well informed
we are absolutely certain
we are fully aware
we really acknowledge
we actually know
we basically know
we already know
we certainly know
we quite know
we definitely know
we hardly know
we really hope
we already pay
we now know
we already miss
we already understand
we are already aware
we already have
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
57 human-written examples
We really know.
News & Media
Do we really know anything?
News & Media
"We really know nothing".
News & Media
Now we really know why.
News & Media
Or did we really know something?
News & Media
But what do we really know?
News & Media
"Now we really know what's here".
News & Media
But do we really know him?
News & Media
"But I don't think we really know what that means.
News & Media
The truth is, I don't think we really know.
News & Media
"It's disconcerting to realize just how little we really know".
News & Media
Expert writing Tips
Best practice
When using "we really know", ensure that the context provides sufficient justification for the claim, avoiding unsubstantiated assertions.
Common error
Avoid using "we really know" when the information is based on assumptions or incomplete data. Ensure there is a verifiable basis for the claim to maintain credibility.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "we really know" primarily functions as a declarative statement expressing a high degree of confidence or certainty in knowledge. It emphasizes that the speakers believe they possess accurate and reliable information, as supported by Ludwig's examples from diverse sources.
Frequent in
News & Media
64%
Science
22%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "we really know" is a common and grammatically sound way to express a high degree of confidence in one's knowledge. As Ludwig AI confirms, it is widely used across various contexts, particularly in News & Media and Science. While generally neutral in register, it's advisable to consider the formality of the setting and opt for more nuanced phrasing in highly formal contexts. To avoid overstatements, always ensure there is a solid basis for any claim made using this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
we are fully aware
Emphasizes complete and comprehensive understanding.
we are absolutely certain
Conveys a strong sense of conviction and lack of doubt.
we have a clear understanding
Highlights the clarity and precision of the knowledge.
we are well informed
Focuses on the quality and depth of information possessed.
we are definitively aware
Stresses the conclusive nature of the awareness.
we are genuinely knowledgeable
Highlights the authenticity and depth of the knowledge.
we are thoroughly familiar
Emphasizes the depth of experience and understanding.
we have solid evidence
Highlights the presence of supporting evidence.
we have first-hand experience
Focuses on direct, personal knowledge.
we can confirm with certainty
Highlights the ability to verify information without a doubt.
FAQs
What does "we really know" mean?
The phrase "we really know" is used to express a strong sense of certainty or confidence in a particular piece of information or understanding. It emphasizes that the speaker or group of speakers has a solid grasp of the subject matter.
How can I use "we really know" in a sentence?
You can use "we really know" to emphasize your confidence in a statement. For example: "After conducting extensive research, "we really know" the impact of climate change on our environment."
Are there alternatives to "we really know" that I can use?
Yes, you can use alternatives like "we are certain", "we have a clear understanding", or "we are well informed" depending on the specific nuance you want to convey.
Is "we really know" appropriate for formal writing?
While grammatically correct, "we really know" may be perceived as slightly informal in very formal contexts. In such cases, alternatives like "we can confirm with certainty" or "we are absolutely certain" might be more suitable.
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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
4.1/5
Expert rating
Real-world application tested