“三人成虎”出自史书《韩非子》,用来比喻谣言或讹传广为散播,就会使人相信。据记载,庞恭和太子一起到邯郸做人质,庞恭深知许多大臣嫉妒自己的才能,一心想要排挤他,在临行前,他对魏王说:“一个人说城里有虎您信吗?”魏王说:“不信。” “Three people become tigers” comes from the history book “Han Fei Zi”. It is used to metaphorize rumors or rumors spread widely. It will make people believe. According to records, Pang Gong and his prince went to the village to be hostages. Pang Gong knew that many ministers were ignoring their talents and were bent on pushing him out. Before leaving, he said to Wei Wang: “Is there a tiger in the city that you believe in? “Wei Wang said:” Do not believe. "