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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
you know best
Grammar usage guide and real-world examplesUSAGE SUMMARY
"you know best" is a correct and usable phrase in written English.
It is typically used in a conversational tone to express that the person being spoken to has more knowledge or expertise on a particular subject. Example: "I'm not sure which route to take, but you know this area better than I do. You know best."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(4)
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
60 human-written examples
You know best, Brother Merle".
News & Media
Don't think you know best.
News & Media
Jamaica's is the one you know best.
News & Media
But you should stick to what you know best".
News & Media
Change the ingredients as befits your dish – you know best.
News & Media
Your fuddy-duddy mum doesn't get it; you know best!
News & Media
Stick to what you know best and stay on the couch".
News & Media
I suppose being a parent is about assuming that you know best.
News & Media
Loss hits people in different ways, and you know best how you feel.
News & Media
[RDD79 2:20-2:43] Jean-Pierre Léaud is certainly the actor you know best.
News & Media
"My dad said, 'Invest with companies you know best,' " he said.
News & Media
Expert writing Tips
Best practice
Use "you know best" when acknowledging someone's expertise or superior knowledge in a specific situation. It's a polite way to defer to their judgment.
Common error
Avoid using "you know best" sarcastically or insincerely, as it can come across as dismissive or passive-aggressive. Ensure your tone and context align with genuine respect for the other person's knowledge.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "you know best" primarily functions as an interjection or a sentence substitute. Ludwig AI confirms its correctness and common usage. It's employed to express deference, agreement, or acknowledgement of someone's superior knowledge or expertise on a particular matter.
Frequent in
News & Media
48%
Wiki
28%
Science
12%
Less common in
Formal & Business
6%
Reference
3%
Encyclopedias
3%
Ludwig's WRAP-UP
In summary, the phrase "you know best" is a grammatically sound and widely used expression to acknowledge someone's superior knowledge or judgment. Ludwig AI supports this assessment. It functions as an interjection or sentence substitute and carries a neutral to informal register. The primary contexts of use are news and media, wikis, and science, with sources like The Guardian and The New York Times frequently employing the phrase. While generally sincere, it can be used sarcastically, though this is discouraged. Alternatives include "you are the expert" and "trust your judgment".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
you are the best judge
Replaces "know" with "are the judge", focusing on decision-making ability.
you are in the best position to know
Emphasizes having the optimal perspective for knowledge.
you have the best understanding
Focuses on comprehension rather than simply knowing.
trust your judgment
Shifts from acknowledging knowledge to encouraging reliance on personal assessment.
you're the expert
Directly acknowledges expertise in a specific area.
you're in charge
Implies that decision making is within someone's power and responsibility
it's your call
It's your decision to make based on your knowledge
I defer to your expertise
Formally acknowledges superior knowledge or experience.
as you see fit
Gives someone freedom to decide according to their consideration.
I trust your decision
Emphasizes reliance on someone's choices and assessment.
FAQs
How to use "you know best" in a sentence?
You can use "you know best" to show deference or respect to someone's expertise or experience. For example, "I'm not sure how to fix this, but "you know best"."
What can I say instead of "you know best"?
You can use alternatives like "you are the expert", "trust your judgment", or "it's your call" depending on the context.
Is it ever appropriate to use "you know best" sarcastically?
While "you know best" is generally used sincerely, it can be employed sarcastically to imply someone is being arrogant or overconfident. However, this usage can be risky and may damage relationships.
What's the difference between ""you know best"" and "you know better"?
"You know best" acknowledges someone's superior knowledge, while "you know better" implies someone should have acted differently because they were aware of the correct course of action.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested