a little bird told me
US /ə ˈlɪt.əl bɜrd toʊld mi/
UK /ə ˈlɪt.əl bɜrd toʊld mi/

1.
小鸟告诉我的, 秘密消息来源
used to say that you are not going to say who told you something
:
•
How did you know it was my birthday? Well, a little bird told me!
你怎么知道是我的生日?嗯,小鸟告诉我的!
•
I heard you're getting a promotion. A little bird told me.
我听说你要升职了。小鸟告诉我的。