bird

a little bird told me

意：听人家讲的;有人私下告诉我的;听说的
例，little.hird told me that they may be getting married soon.
有人告诉我说他们可能很快要结婚了。
A: Huw }licl yuu t'md out I had a r}ew }irlfritnr}?
你怎么知道我有了一个新的女朋友?
B: Ah, a little bird told me!
啊，我听人家说的。