Tiếng Việt · Idiom Attested

bán trời không văn tự

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In real, traceable use. Part of the curated seed collection; community review is coming.

Also seen as: bán giời không văn-tự

Both English Tiếng Việt

Meaning · English

Selling heaven with no deed in hand — outrageous big talk; recklessly brazen behavior.

Nghĩa · Tiếng Việt

nói bừa, hành động thiếu suy nghĩ

Machine-translated — suggest a fix

Literally: sells the sky without a title-deed

Examples

Cậu ta hứa hươu hứa vượn, đúng kiểu bán trời không văn tự.He promises the moon — selling heaven without a deed, as they say.

Editorial example (VI sweep batch 040, illustrative)

Sources & notes

Discovered via Vietnamese Wiktionary, Thể loại:Thành ngữ tiếng Việt (CC BY-SA 4.0); retrieved 2026-08-01. Source: source ↗ Definition is an original editorial synthesis, not copied from the source.

Common questions

What does “bán trời không văn tự” mean?

Selling heaven with no deed in hand — outrageous big talk; recklessly brazen behavior. Literally: sells the sky without a title-deed

Is “bán trời không văn tự” formal or informal?

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

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