信口 (xìn kǒu) — recklessly, without thinking (in speech); insincerely, saying one thing while thinking another

Definition

信口 means speaking without thinking — carelessly or insincerely, often paired with verbs like 说, 答应, or 胡说. It always implies recklessness, not just casual speech.

adjective
recklesslywithout thinking (in speech)insincerelysaying one thing while thinking another

Examples

  • 信口
    Tā xìn kǒu dā ying le, gēn běn méi xiǎng qīng chǔ.
    He agreed thoughtlessly, without thinking it through at all.
  • 信口
    Nǐ bú yào xìn kǒu hú shuō, shì shí bú shì nà yàng de.
    Don't speak recklessly; the facts aren't like that.
  • 信口
    Tā xìn kǒu shuō le yí jù, méi xiǎng dào duì fāng dàng zhēn le.
    She said it carelessly, not expecting the other person to take it seriously.

Browse more HSK 7-9 words or search the full 43,000-word dictionary.