光明正大
guāng míng zhèng dà
In real, traceable use. Part of the curated seed collection; community review is coming.
Open and honest, with nothing to hide. Used for people and for ways of acting that are fair and aboveboard.
Ngay thẳng, công khai, không có gì khuất tất. Dùng để nói về con người hoặc cách làm việc đàng hoàng, minh bạch.
Register: neutral
Examples
Editorial example (illustrative, not a corpus attestation) — awaiting a native-speaker check
Sources & notes
Hán-Việt bridge batch 061 (2026-11-13). Headword, Traditional form and pinyin checked against CC-CEDICT (CC BY-SA 4.0) source ↗ · Hán-Việt reading: Unihan kVietnamese source ↗ ; en.wiktionary Vietnamese entries via kaikki.org extract, snapshot 2026-07-31 (CC BY-SA 4.0): etymology of “quang minh chính đại” = 光明正大 · Vietnamese cognate: Idiomer entry “quang minh chính đại” (quang-minh-chinh-dai). Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.
Equivalents & related
Common questions
What does “光明正大” mean?
Open and honest, with nothing to hide. Used for people and for ways of acting that are fair and aboveboard. Literally: bright and clear, upright and great
Is “光明正大” formal or informal?
光明正大 is generally neutral.