Một miệng thì kín, chín miệng thì hở
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A secret is harder to keep when more people know it
Literally: One mouth closed, nine mouths open
Examples
Bí mật của anh ấy đã bị lộ vì một miệng thì kín, chín miệng thì hởHis secret was revealed because a secret is harder to keep when more people know it
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.
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Common questions
What does “Một miệng thì kín, chín miệng thì hở” mean?
A secret is harder to keep when more people know it Literally: One mouth closed, nine mouths open
Is “Một miệng thì kín, chín miệng thì hở” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.
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