(不想说出是谁告诉的)有人告诉我的,不告诉你我是怎么知道的
牛津电影里 100%
used to say that sb told you sth but you do not want to say who it was
A little bird told me about a shadow outfit
释义来自《牛津高阶英汉双解词典》第 9 版