短语 “hope against hope” 的意思是 “某人寄希望于一件不太可能发生的事情”。它有时也用来表达某人在绝望的情况下抱着一线希望。“Hope against hope” 是一个动词短语，所以其中的第一个 “hope” 应根据时态和主语的变化而改变。

• 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。
• 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。