Oh yeah? I wasn't born yesterday, you know.

是吗？我可不是三岁的小孩子，你知道的。

《牛津词典》

The baby horse was born yesterday.

昨天小马驹出生了。

youdao

Do you think I was born yesterday?

你认为我是三岁小孩吗？

youdao

The next year, a torrent of acclaim propelled Arianda onto Broadway, where she starred in a revival of Born Yesterday as the kept woman Billie Dawn (again rocking a garter belt).

WSJ: Parental Advice for Actress Nina Arianda

Yet Russians were not born yesterday: opinion polls show that most believe the government knows all that there is to be known about the disaster, but has no intention of making it public.

ECONOMIST: Russia's sunken submarine

In sum, it appears Googleopoly has grown so accustomed to being able to dictate to everyone which information they should accept as most relevant, that they have scant self-awareness when their message does not pass the laugh test with a principled audience that was not born yesterday.

FORBES: Google's Extreme Makeover of its Heritage