scream blue murder
US /skriːm bluː ˈmɜːrdər/
UK /skriːm bluː ˈmɜːrdər/

1.
gritar a todo pulmón, poner el grito en el cielo
to shout or complain very loudly and angrily, especially when you are in pain, frightened, or very annoyed
:
•
When she saw the spider, she started to scream blue murder.
Cuando vio la araña, empezó a gritar a todo pulmón.
•
If you try to take his toy, he'll scream blue murder.
Si intentas quitarle su juguete, va a gritar a todo pulmón.