hope against hope (that…)
（对某事）依旧抱一线希望;抱着万分之一的希望（表达某人在绝望的情况下抱着一线希望）
If you hope against hope that something will happen, you hope that it will happen, although it seems impossible；to hope very strongly that something will happen, although you know it is not likely
其中的第一个 “hope” 应根据时态和主语的变化而改变。
They're just hoping against hope that she's still alive.
他们对她还活着仍抱一线希望。
She glanced about the hall, hoping against hope that Richard would be waiting for her.
她眼睛扫过大厅，对理查德会在那里等她仍怀有一丝希望。
He hopes against hope that he can get married with Maggie.
他依旧抱一线希望他能和麦吉结婚。
These salesmen are always hoping against hope that there's still a pay rise.
这些销售们始终对升职加薪抱一线希望。
Many in the House, and Mr Obama himself, hope against hope that the Senate will soften this in its own bill.
很多众议员，包括奥巴马自己都希望参议院的议案放宽这一限制。
After hearing about the accident, families were hoping against hope to receive good news.
听到事故的消息后，所有家庭都抱着一线希望，希望能得到好消息。
He was hoping against hope that his message would reach her.
他还抱着一线希望，希望她能收到他的消息。
Finally, we hope against hope that we have the courage to ensure that this type of catastrophe can be prevented or mitigated.
最后，我们还是抱有一线希望，希望我们有勇气保证能够预防或者减轻这样的大灾难。
They were hoping against hope that he would find a way out.
他们抱一线希望他会找到出路。
No one believes that they can do it – but I'm still hoping against hope that they can.
没有人相信他们能做成这件事情，但我对此仍抱有一线希望。
He hope against hope that the doctor have is wrong about his illness.
他还抱着一线希望，但愿医生误诊了。
They hope against hope that all would come well. 他们对所有一切都会转好抱有一线希望。
The mother continued to hope against hope although the plane was hours late.虽然飞机迟了几个小时，母亲仍怀有一线希望。
You Just Keep Throwing Them Against The Wall, Hoping Against Hope That Eventually Something Sticks.
你得一直投稿，希望最终能有回应。
类似表达：
1. a silver lining一线希望
Every cloud has a silver lining. 黑暗中总有一线光明。
There's usually a silver lining if you look hard enough.
如果你努力寻找，通常总有一线光明。
When things look black, there's always a silver lining.
当事情看起来很黑暗的时候，总会有一线希望。
2. a glimmer / ray of hope一线希望
I looked at her and felt a glimmer of hope.
我注视她，感到了一线希望。
They could provide a ray of hope amid the general business and economic gloom
在普遍的商业和经济低潮中，他们能带来一线希望。
The uneasy alliance between these two men offered a glimmer of hope
两人之间不够稳固的联合给了人们一线希望。
3. one line of hope
A very small degree of hope is sufficient to cause the birth of love.
一线希望足以点燃爱的火花。
A slender hope flickered within her. 她的心中闪现出一线希望。
As long as there is a flash of hope, I will not give up.
只要还有一线希望，我就不会放弃努力。
There is still a remote chance that they will find her alive.
他们仍然有一线希望能把她活着找到。
The orders will throw a lifeline to Britain's shipyards.
这些订单将给英国的造船厂注入一线生机。
When they didn't shoot at me right away, I figured I had a fighting chance.
当他们没有立即向我开枪时，我估摸自己还有一线生机。
Could nothing be rescued from the wreckage of her dreams?
难道从她那破灭的梦想中就找不出一丝希望了吗？
There's still a slim chance that he may become Prime Minister.
他仍然有一丝希望当上首相。