信口开河 信口開河

    xìnkǒukāihé

    1. Idiomto speak without thinking (idiom); to blurt something out

    他总是信口开河,说话不经大脑。Tā zǒngshì xìnkǒukāihé, shuōhuà bù jīng dànǎo.He is always blurting things out without thinking.