ㄅㄧㄥˋbìngㄘㄨㄥˊcóngㄎㄡˇkǒuㄖㄨˋㄏㄨㄛˋhuòㄘㄨㄥˊcóngㄎㄡˇkǒuㄔㄨchū

  1. 諺語)​疾病飲食不慎引起災禍語言太平御覽·三六·人事·》:多言病從口入,禍從口出。」

Illness enters by the mouth, trouble comes out by the mouth (idiom)​. A loose tongue may cause a lot of trouble.