一傳十,十傳百 [ㄧ ㄔㄨㄢˊ ㄕˊ , ㄕˊ ㄔㄨㄢˊ ㄅㄞˇ; yi1 chuan2 shi2 , shi2 chuan2 bai3] news pass quickly from mouth to mouth (idiom) an infectious disease spreads quickly (old meaning) ◄ ►