We use this expression to say that something is a problem or disappointment
You can use this phrase in ………… language.
A: We can’t go to Julia’s wedding tomorrow because the car’s not working!
B: That’s a bit of a blow. I was really looking forward to it.
A: Honza’s a bit depressed because he didn’t get to the college he wanted.
B: That must be a bit of a blow for him. He was sure to get there!