know something when one sees it/one

idiom

: to be able to recognize or identify something immediately
She knows a bargain when she sees it.
I know a liar when I see one.

Dictionary Entries Near know something when one sees it/one

know something or someone for what it/he/she is

know something when one sees it/one

know the drill

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“Know something when one sees it/one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20something%20when%20one%20sees%20it%2Fone. Accessed 14 Nov. 2024.

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