keep one's fingers crossed 借助幸运

　　字面意义为双手合十，表示“祈祷幸运的降临”。至于渴望的具体内容要加在 on 后面，或者可以用 that。keep somebody ( something ) +ing ( pp ) 的句型。

　　例句：

　　I'll keep my fingers crossed ( for you ) !

　　我会为你祈福的！

　　I'm keeping my fingers crossed that he'll pass the exam.

　　我祈祷能通过考试。

　　I've got to go. I'll keep you posted, okay?

　　我得走了。我会告诉你最新的消息，好吗？

　　Keep me posted on how they are doing.

　　让我知道有关他们的最新消息。

　　对话：

　　A: Tomorrow I'm going to ask Amanda to marry me.

　　明天我要向阿曼达求婚。

　　B: I'll keep my fingers crossed for you.

　　我会为你祈福。