forlorn hope

基本解释

That is already a forlorn hope.
这已经是一个孤注一掷的希望。
No one there cherished the forlorn hope that boys of our sort could make any advance in learning.
这里没人会抱哪怕是渺茫的希望，认为像我们这种孩子能够在学习上取得进步。
Now, most agree that that was a forlorn hope: Code that can be parallelized is too hard to recognize, and the means for parallelizing it are too diverse and context-dependent.
但是目前，人们都不得不承认这是个渺茫的希望：平行代码太难识别，而且分组的方式也依据实际的不同而多种多样。

Would it be a forlorn hope to expect foreign governments to play their part?
ECONOMIST: Letters
It will, again, at the request of the Nepali government, be extended for six months, in the forlorn hope that the deadlock can be broken.
ECONOMIST: Nepal and the United Nations
Few doubted that such across-the-board tax-rate increases would further depress the economy, so Republicans gave the president his more-modest requested tax increases in the forlorn hope that the electorate would exhibit the Wisdom of Solomon in their judgment of the accord.
FORBES: Republicans must mark their budget territory