you'll never know
idiom
: you will never be fully aware (of the extent or degree of something)
You'll never know what this means to me.
Cite this Entry
“You'll never know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/you%27ll%20never%20know. Accessed 13 Mar. 2025.
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Merriam-Webster unabridged
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