信誓旦旦

Chinese

		faithful oath; faithful pledge	every day; sincere; heartfelt
simp. and trad. (信誓旦旦)		信誓	旦旦

Etymology

From the Classic of Poetry, poem 58 (《詩經·衞風·氓》):

總角之宴，言笑晏晏。
信誓旦旦，不思其反。 [Pre-Classical Chinese, trad.]

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总角之宴，言笑晏晏。
信誓旦旦，不思其反。 [Pre-Classical Chinese, simp.]

From: The Classic of Poetry, c. 11^th – 7^th centuries BCE, translated based on James Legge's version

Zǒngjiǎo zhī yàn, yánxiào yànyàn.
Xìnshì dàndàn, bù sī qí fǎn. [Pinyin]

In the pleasant time of my girlhood, with my hair simply gathered in a knot,
Harmoniously we talked and laughed.
Clearly were we sworn to good faith,
And I did not think the engagement would be broken.

Pronunciation

• Mandarin

  (Pinyin): xìnshìdàndàn

  (Zhuyin): ㄒㄧㄣˋ ㄕˋ ㄉㄢˋ ㄉㄢˋ

• Cantonese (Jyutping): seon³ sai⁶ daan³ daan³

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• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: xìnshìdàndàn
    • Zhuyin: ㄒㄧㄣˋ ㄕˋ ㄉㄢˋ ㄉㄢˋ
    • Tongyong Pinyin: sìnshìhdàndàn
    • Wade–Giles: hsin⁴-shih⁴-tan⁴-tan⁴
    • Yale: syìn-shr̀-dàn-dàn
    • Gwoyeu Romatzyh: shinnshyhdanndann
    • Palladius: синьшиданьдань (sinʹšidanʹdanʹ)
    • Sinological IPA ^(key): /ɕin⁵¹⁻⁵³ ʂʐ̩⁵¹⁻⁵³ tän⁵¹⁻⁵³ tän⁵¹/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: seon³ sai⁶ daan³ daan³
    • Yale: seun saih daan daan
    • Cantonese Pinyin: soen³ sai⁶ daan³ daan³
    • Guangdong Romanization: sên³ sei⁶ dan³ dan³
    • Sinological IPA ^(key): /sɵn³³ sɐi̯²² taːn³³ taːn³³/

Idiom

信誓旦旦

1. pledging in all sincerity; vowing solemnly