# know beans about

idiom

Source: https://englishreference.com/idiom/know-beans-about
Updated: 2026-08-10

## Meaning

To know nothing, or almost nothing, about.

## Examples

- I do not know beans about fixing cars.
- He tried to give me advice on investing, but he does not know beans about the stock market.
- Although he spoke with great confidence, it was clear to everyone that he did not know beans about the complex subject he was teaching.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.