ˇˊㄔㄨㄢˊˊyǐ’é‑chuán’é

以讹传讹
  1. 錯誤訊息繼續傳播下去 謠言細心分辨不要以訛傳訛道聽塗說」。

to spread falsehoods, to increasingly distort the truth, to pile errors on top of errors (idiom)​
Unwahrheiten verbreiten (Sprichw)​