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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
know you noticed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "know you noticed" is not standard in written English and may be confusing without context.
It could be used in informal communication to imply awareness of someone's observation or realization. Example: "I just wanted to let you know you noticed the changes in the project timeline."
Wiki
News & Media
Alternative expressions(1)
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
3 human-written examples
And I hope -- you know, you noticed me yesterday talking about that he had been elected five times.
News & Media
This gets him talking about his interests and lets him know you noticed him.
Wiki
If your child behaved well, from sharing his toys at a play date to being patient during a car ride, then let him know you noticed his good behavior; don't just say nothing when your child behaves well and punish him when he does not.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
You know you notice when there's banter going on.
Science
Not in a sexual way but to let him know you notice him and appreciate him.
Wiki
If something is different about him, make sure he knows you noticed.
Wiki
So Mrs May, it's nice to know you've noticed all us Jams and Nams out there, it's just a pity it didn't happen a couple of decades ago.
News & Media
Letting someone know you have noticed them can discourage them and they might stop prowling around the area.
Wiki
You can smile at him and let him know you've noticed him, but focus on having a great time and he'll want to be right there with you.
Wiki
I know you've noticed me laundering plastic pants (or "rubber pants" as they're sometimes called - you may know them by that term) and cloth diapers, you've seen plastic pants hanging on the clothesline, as well as me folding diapers and plastic pants up and putting them in a laundry basket.
Wiki
Don't demand anything; just let him know you're noticing changes and that you're there to support him.
Wiki
Expert writing Tips
Best practice
Use "know you noticed" in informal contexts to subtly acknowledge someone's awareness of something, especially when you want to imply you were aware of their observation. For example, after subtly changing your appearance you can say "I know you noticed something different about me!".
Common error
Avoid using "know you noticed" in formal or professional writing. It can sound too casual or conversational for academic papers, business reports, or official correspondence. Use more direct and professional alternatives like "I understand you observed" or "I am aware you noticed".
Source & Trust
77%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "know you noticed" functions as an acknowledgment of someone's awareness or observation. While not strictly grammatically standard, it serves to imply that the speaker is conscious of the other person's perception. As Ludwig AI points out, the phrase may be confusing without context.
Frequent in
Wiki
33%
News & Media
33%
Science
34%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "know you noticed" is an informal way to acknowledge someone's observation or awareness. Ludwig AI categorizes it as not standard in written English and potentially confusing without context. Grammatically acceptable but not perfect, it's best suited for casual conversations, but less appropriate for formal writing, where alternatives like "I understand you observed" are preferable. Its function is to recognize shared perception, and while it appears in news and wiki sources, its use should be carefully considered based on the intended audience and context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I see you noticed
Directly acknowledges the other person's observation. It replaces "know" with "see" for a more immediate sense of recognition.
I can tell you noticed
Emphasizes the speaker's ability to discern that the other person has observed something. Adds a layer of deduction.
I'm aware you've noticed
More formal; emphasizes the speaker's awareness of the other person's observation. Introduces a level of formality and self-awareness.
I understand you noticed
Suggests the speaker comprehends the implications of the other person's observation. It brings a sense of understanding.
It's apparent you noticed
Highlights the obviousness of the other person's observation. Changes the focus to the visibility of the observation.
I realize you noticed
Focuses on the speaker's realization that the other person has observed something. It brings the idea of becoming aware to the foreground.
You didn't miss it, did you?
Informal rhetorical question confirming the other person's observation. It aims to softly validate if the other person actually noticed.
I assume you saw that
It suggests that the other person is already aware, replacing "know" with "assume". Adds a sense of expectation.
I figured you'd spot that
Suggests the speaker expected the other person to notice something specific, replacing "know" with "figured". It emphasizes anticipation.
I suspected you'd observe
Adds a note of anticipation, replacing "know" with "suspected". It highlights the expected observation.
FAQs
How can I politely point out that someone has noticed something?
You can use phrases like "I see you noticed" or "I can tell you noticed" to politely acknowledge their observation without sounding confrontational.
What are some alternatives to "know you noticed" for formal writing?
In formal writing, consider using "I understand you observed", "I am aware you noticed", or "It is apparent that you have noticed" for a more professional tone.
Is "know you noticed" grammatically correct?
While commonly used in informal speech, "know you noticed" might not be considered grammatically perfect in formal contexts. It's often better to rephrase it for clarity and grammatical correctness.
When is it appropriate to use "know you noticed"?
It's appropriate in casual conversations, informal emails, or friendly exchanges where a relaxed tone is acceptable. Avoid using it in professional or academic settings.
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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
77%
Authority and reliability
3.2/5
Expert rating
Real-world application tested