Someone can say, " I have my fingers crossed, " means I'm hoping for a good result, I'm hoping for luck.

有人会说，“I have my fingers crossed” ，意思是我希望有好结果，我希望好运。

So, " I have my fingers crossed that it won't rain today." I can't control that, but I am hoping I am lucky.

所以，“我祈祷今天不会下雨。 ” 我无法控制，但我希望我是幸运的。