祸从口出 huò cóng kǒu chū

DEFINITIONS

  1. Trouble issues from the mouth (idiom). A loose tongue may cause a lot of trouble.

CHARACTERS

祸 huò misfortune, calamity, disaster
从 cóng from, by, since, whence, through
口 kǒu mouth; open end; entrance, gate
出 chū go out, send out; stand; produce