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Open the tool →病由口入 (bìng yóu kǒu rù) is a Chinese idiom (chengyu) meaning “Diseases often originate from what one eats or drinks”.
病由口入 is pronounced bìng yóu kǒu rù in Mandarin Chinese.
Literally, 病由口入 means “Diseases enter by the mouth”. It is used to mean “Diseases often originate from what one eats or drinks”.
疾病多是由食物传染。比喻应该注意饮食卫生。同“病从口入”。