199 It's pie in the sky. 那是不可能的。天上的馅饼；渺茫得很；空想

示例

A：Mom, can I have Iphone 4?

B：It's pie in the sky. You are so young.

A：妈妈，我想要Iphone 4。

B：不行，你太小了。

A：I want to be as successful as Bill Gates.

B：You? It's pie in the sky.

A：我想和比尔盖茨一样成功。

B：就你？得了吧。

常用英语口语