基本解释不能保証實現的諾言；渺茫的希望同根派生 pie in the sky相关词英汉例句Their plans to set up their own business are just pie in the sky. 他們創辦自己公司的計劃衹不過是空想罷了。pie in the sky更多例句英英字典劍橋英英字典something that you hope will happen but is very unlikely to happenpie in the sky剑桥字典pie in the sky柯林斯字典