信口开河 (xìn kǒu kāi hé) — (idiom) to shoot off one's mouth; to speak carelessly; to blurt out nonsense

Definition

Idiom for 'talking nonsense without thinking' — the '信口' emphasizes speaking carelessly, the '河' (river) dramatizes how much flows out. A vivid, written alternative to 胡说.

idiom
to shoot off one's mouthto speak carelesslyto blurt out nonsense

Examples

  • ,信口开河,。
    Tā shuō huà cóng bù jīng guò dà nǎo, jīng cháng xìn kǒu kāi hé, dé zuì le bù shǎo rén.
    He never thinks before he speaks and often shoots off his mouth, offending quite a few people.
  • ,信口开河,。
    Bié tīng tā de, tā bú guò shì xìn kǒu kāi hé, gēn běn méi yǒu zhèng jù.
    Don't listen to him — he's just talking nonsense with no evidence at all.
  • ,信口开河,。
    Zuò wéi yì míng jì zhě, jué duì bù néng xìn kǒu kāi hé, bì xū duì měi jù huà fù zé.
    As a journalist, you must never shoot off your mouth — you have to be responsible for every word.

Origin

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
言言yánwords
Sound part声符shēngfú
人
人rén信xìn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

信 pairs 人 as the sound part with 言 (words) as the meaning part.

Open 信 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The form 口 looks like an open mouth.

Open 口 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

This origin belongs to the traditional form 開; 开 is its simplified writing.

  • 門門méndoor
  • 一一yīlatch and/or wooden pole that shuts a door
  • 廾廾gǒnga pair of hands

The traditional form 開 shows 廾, a pair of hands, and 一, a latch or pole, inside 門, a door: hands opening a latched door. The simplified 开 is a shorthand form, so its parts are not the original pieces.

Open 开 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
水水shuǐwater
Sound part声符shēngfú
何
何hé河hé
Same sound today

河 pairs 水 (water) with 何, which gives the sound. The 水 part marks it as a word for a river.

Open 河 →

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