Keep one's fingers crossed

 "Keep one's fingers crossed" is an idiom that means to hope for good luck. It's a way to express that you're hoping a particular outcome will happen, usually something you're a little uncertain about. Here's how you can use it:

1. Expressing hope for someone else:

• "I'm keeping my fingers crossed for you on your job interview!"
• "She's having surgery tomorrow, so we're all keeping our fingers crossed."
• "Keep your fingers crossed that the weather will be nice for the picnic."

2. Expressing hope for yourself:

• "I'm taking the test tomorrow, so I'm keeping my fingers crossed that I studied enough."
• "I've applied for the scholarship, so I'm keeping my fingers crossed."
• "I'm hoping to win the lottery, but I'm not getting my hopes up too high. Still, fingers crossed!"

3. Sometimes used humorously:

• "I'm trying to parallel park in this tiny space...keep your fingers crossed!" (Said with a slightly nervous laugh)
• "Hopefully, the boss won't notice I'm late again...fingers crossed!" (Said jokingly to a coworker)

Important points to remember:

• It's an idiom: Don't try to interpret it literally. It's just a way of expressing hope.
• Informal: It's generally used in informal settings, with friends, family, or colleagues.
• Action: While the phrase uses "keep," you don't actually have to physically cross your fingers while saying it. It's more about the sentiment. Sometimes people will cross their fingers briefly as they say it, but it's not required.
• Singular or plural: You can say "keep my fingers crossed," "keep your fingers crossed," "keep our fingers crossed," etc., depending on who is hoping for the good luck.

So, if you're hoping for something good to happen, go ahead and use "keep your fingers crossed!"