thớt trên mòn, thớt dưới cũng mòn
In real, traceable use. Part of the curated seed collection; community review is coming.
The top millstone wears, and so does the bottom — in every grinding lawsuit, both stones lose face.
Examples
Editorial example (VI sweep batch 040, illustrative)
Sources & notes
Discovered via Tục ngữ, cổ ngữ, gia ngôn (Huỳnh Tịnh Của, 1897; public domain, via vi.wikisource); retrieved 2026-08-01. Source: source ↗ Attested in Tục ngữ, cổ ngữ, gia ngôn (Huỳnh Tịnh Của, 1897). Definition is an original editorial synthesis, not copied from the source.
Common questions
What does “thớt trên mòn, thớt dưới cũng mòn” mean?
The top millstone wears, and so does the bottom — in every grinding lawsuit, both stones lose face. Literally: upper stone wears, lower stone wears too
Is “thớt trên mòn, thớt dưới cũng mòn” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.