青天白日
qīng tiān bái rì
In real, traceable use. Part of the curated seed collection; community review is coming.
Broad daylight. Used for emphasis, most often about something shocking, such as a crime, that is done openly when anyone could see it.
Giữa ban ngày ban mặt, lúc trời sáng rõ. Dùng để nhấn mạnh, thường khi nói về một việc đáng sợ hay ngang ngược, như một tội ác, xảy ra công khai ngay trước mắt mọi người.
Register: neutral
Examples
Editorial example (illustrative, not a corpus attestation) — awaiting a native-speaker check
Sources & notes
Hán-Việt bridge batch 062 (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 “thanh thiên bạch nhật” = 青天白日 · Vietnamese cognate: Idiomer entry “thanh thiên bạch nhật” (thanh-thien-bach-nhat). Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.
Equivalents & related
Common questions
What does “青天白日” mean?
Broad daylight. Used for emphasis, most often about something shocking, such as a crime, that is done openly when anyone could see it. Literally: blue sky, white sun
Is “青天白日” formal or informal?
青天白日 is generally neutral.