hope against hope

基本解释

The guy who you know is going to break your heart, but you hope against hope you could be the "one can fix him.
你知道這個家夥會傷你的心，可你希望相信你就是那個能“駕馭他的人”。
But many Nigerians still thirst for new presidential elections—and still quietly hope against hope that they will be held.
但是許多尼日利亞人仍然渴望新的縂統選擧，他們仍然平靜地抱一線希望。
Finally, we hope against hope that we have the courage to ensure that this type of catastrophe can be prevented or mitigated.
最後，我們還是抱有一線希望，希望我們有勇氣保証能夠預防或者減輕這樣的大災難。

The hope is to develop a vaccine that could give lifelong protection against a majority of flu viruses, including bird flu.
But if you're going to have a big old fort, and you're going to have lots of cannon that you hope to use against your craven, reptile enemies that would want to get in your way, you've got to have people to try out the cannon.
如果你想攻佔一個大型的舊式堡壘,你必須要有很多大砲,來對付那些縮在城堡中的敵人,還需要很多士兵來操縱這些大砲
耶魯公開課 - 歐洲文明課程節選
The hope is that people in all twenty-five countries will be protected against the disease by twenty-fifteen.

Or hope against hope to defer them to the next administration, the next generation?
WHITEHOUSE: President Obama at Points of Light Forum in Texas

to hope very strongly that something will happen, although you know it is not likely