Cool Words炫詞解密

pie in the sky 美味的pie飛到了天上，那就可望而不可及了。這個短語的意思是“渺茫的希望”或“不可兌現的承諾”。

▲We want to go to the zoo with Dad this weekend. But hehas to work. I think our zoo trip is just“pie in the sky.”