Cô ả bán dầu, bôi dầu bằng nước lã
Proposed by a contributor, not yet supported by evidence.
To deceive or cheat someone by replacing something with a worthless substitute
Examples
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 2026-08-06; pending editor spot-check.
Common questions
What does “Cô ả bán dầu, bôi dầu bằng nước lã” mean?
To deceive or cheat someone by replacing something with a worthless substitute Literally: Old woman selling oil, applying oil with plain water
Is “Cô ả bán dầu, bôi dầu bằng nước lã” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.