if one knows what's good for one

idiom

Definition of if one knows what's good for one

: if a person wants to avoid trouble, problems, etc. You'll take my advice if you know what's good for you. She'll forget about the whole thing if she knows what's good for her.

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Dictionary Entries Near if one knows what's good for one

if one had one's druthers

if one knows what's good for one

if only

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Cite this Entry

“If one knows what's good for one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/if%20one%20knows%20what%27s%20good%20for%20one. Accessed 24 Sep. 2021.

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