(one's) blood runs cold phrase
An immediate and overwhelming feeling of fear, panic, terror, or dread overtakes one.
John's blood ran cold when he overheard his bosses talking about the money he'd taken from the company safe.
My blood runs cold every time I walk past that creepy house at night.
That car accident seems to make Marry's blood run cold—she's still shaken by it.
This phrase dates from the early 1800s.
To talk the main part at once, or avoid talking about what is not important
You should get straight to the point.