信口開河

简 信口开河 · 繁 信口開河
Mandarin · pinyin xìn kǒu kāi hé

Meanings

  1. to speak without thinking (idiom)
  2. to blurt sth out
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Characters in this entry

信
xìn · trust, believe; letter
口
kǒu · mouth; open end; entrance, gate
開
kāi · open; initiate, begin, start
河
hé · river; stream; the Yellow River
开
kāi · open; initiate, begin, start
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–3–1–2 · xin4 kou3 kai1 he2

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Dictionary tones. Connected speech can change their realization.

Connected dictionary

5character links1same-tone record
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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

seon3 hau2 hoi1 ho4

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

  1. (idiomatic) to speak carelessly, rapidly and voluminously like the outflow of river water when the sluice gates are opened; to talk nonsense; to talk at random

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack