前言不搭后语 (qián yán bù dā hòu yǔ) — incoherent, self-contradictory (of speech or writing)

Definition

A chengyu describing speech or writing where the beginning contradicts the end — what was said first and what follows don't fit together. Use it for people talking nonsense, not for a single factual mistake.

idiom
incoherentself-contradictory (of speech or writing)

Examples

  • 前言不搭后语
    Tā shuō huà qián yán bù dā hòu yǔ, méi rén tīng de dǒng.
    He speaks incoherently; no one can understand him.
  • 前言不搭后语
    Zhè piān wén zhāng qián yán bù dā hòu yǔ, xū yào chóng xiě.
    This article is self-contradictory and needs to be rewritten.
  • 前言不搭后语
    Nǐ gāng cái shuō de qián yán bù dā hòu yǔ, dào dǐ xiǎng biǎo dá shén me?
    What you just said is incoherent — what exactly are you trying to express?

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