a little bird told me不是翻译成“有只小鸟告诉我”，真实含义是“有人告诉我，有小道消息”。

【例句】
A little bird told me you were mad at me yesterday.
有人告诉我你昨天生我的气。

Cage, a little bird told me that you got someone engaged last week, is it true?
凯奇，有人告诉我你上周订婚了，是真的吗？