To scare the hell out of informal verb phrase
The sound of the alarm scared the hell out of us.
On Halloween, he cosplayed the ghost and scared the hell out of me.
To shake a lot due to the cold or fear
Being so scared, confused, and astonished that you can't think or do anything.
To be surprised by some sudden occurrence
To greatly surprise, shock, or confuse someone
The verb "scare" should be conjugated according to its tense.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.