病从口入 Save Sign in to save words Traditional (Taiwan): 病從口入 bìngcóngkǒurù ㄅㄧㄥˋ ㄘㄨㄥˊ ㄎㄡˇ ㄖㄨˋ Illness enters by the mouth (idiom). Mind what you eat! fig. A loose tongue may cause a lot of trouble. Character by character 病(bìng)illness 从(cóng)from 口(kǒu)mouth 入(rù)enter A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0