Run into a stone wall verb
We thought we could finish the program soon, but we seemed to run into a stone wall during the last minutes.
We know English is easy for Peter, but he really runs into a stone wall with Maths.
To punish someone or something harshly
This idiom is often used to express that you should accept an unpleasant situation or event because you cannot change it.
Once something has been done, you can do nothing but face the consequences.
Used since at least the 1940s.
A remark you make when you are leaving on the purpose of creating a stronger impact
The letter he left before leaving was his parting shot.