铁面无私
tiě miàn wú sī
In real, traceable use. Part of the curated seed collection; community review is coming.
Traditional: 鐵面無私
Strictly impartial and impossible to bribe or sway, even for friends and family. Used to praise judges, officials, referees and examiners.
Mặt sắt, không thiên vị: công bằng tuyệt đối, không nể nang ai, kể cả người thân quen. Dùng để khen thẩm phán, quan chức, trọng tài, người chấm thi.
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): Hán-Việt reading 面 = diện · Vietnamese cognate: Idiomer entry “thiết diện vô tư” (thiet-dien-vo-tu). Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.
Equivalents & related
Common questions
What does “铁面无私” mean?
Strictly impartial and impossible to bribe or sway, even for friends and family. Used to praise judges, officials, referees and examiners. Literally: iron face, no private interest
Is “铁面无私” formal or informal?
铁面无私 is generally neutral.