Sai con toán, bán con trâu

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Proposed by a contributor, not yet supported by evidence.

Meaning · English

To lose a small thing and then a bigger one as a result

Literally: Lose the math, sell the buffalo

Examples

Anh ấy sai con toán, bán con trâu khi đầu tư vào dự án đóHe lost a small thing and then a bigger one when investing in that project

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Headword listed in the vdict.com proverb dictionary index (discovery source; headword only — no source content copied). Entered as candidate 2026-08-05; definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-07; pending editor spot-check.

Common questions

What does “Sai con toán, bán con trâu” mean?

To lose a small thing and then a bigger one as a result Literally: Lose the math, sell the buffalo

Is “Sai con toán, bán con trâu” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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