mùng năm, mười bốn, hai ba
In real, traceable use. Part of the curated seed collection; community review is coming.
The fifth, the fourteenth, the twenty-third — the lunar calendar’s proverbially unlucky days for setting out, opening shop or starting anything; the folk rhyme finishes «đi chơi cũng thiệt nữa là đi buôn» (even a pleasure trip loses, let alone business).
Register: informalEra: traditional – present
Examples
Editorial example (batch 059)
Sources & notes
Number-idiom class scrape (2026-08-11): violet.vn exercise list + voh.com.vn/song-dep/tuc-ngu-viet-nam-379232.html + vndoc.com roundup. Definition original.
Common questions
What does “mùng năm, mười bốn, hai ba” mean?
The fifth, the fourteenth, the twenty-third — the lunar calendar’s proverbially unlucky days for setting out, opening shop or starting anything; the folk rhyme finishes «đi chơi cũng thiệt nữa là đi buôn» (even a pleasure trip loses, let alone business). Literally: the 5th, the 14th, the 23rd (unlucky days)
Is “mùng năm, mười bốn, hai ba” formal or informal?
mùng năm, mười bốn, hai ba is generally informal.