be born yesterday

基本解释

• 没有经验的，容易受骗的；不懂世故的（常用于否定形式）

英汉例句

双语例句

• I was not born yesterday. It must be either you or Adam.
  你变不了我，不就是你就是亚当。
• The world was not born yesterday, nor will likely be ruined tomorrow.
  世界不是昨天才诞生，也不会明天就毁灭。

权威例句

• 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

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