Tiếng Việt · Proverb Candidate

Lang đuôi thì bán lang trán thì dùng

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Proposed by a contributor, not yet supported by evidence.

Meaning · English

Use something when it's useful, discard when not

Literally: Sell monkey's tail, use monkey's face

Examples

Khi gặp khó khăn, anh ấy luôn nhớ câu lang đuôi thì bán lang trán thì dùngWhen faced with difficulties, he always remembers the proverb 'sell monkey's tail, use monkey's face'

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 “Lang đuôi thì bán lang trán thì dùng” mean?

Use something when it's useful, discard when not Literally: Sell monkey's tail, use monkey's face

Is “Lang đuôi thì bán lang trán thì dùng” formal or informal?

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

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