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.
Used to allude that the last force, problem or burden which is seemingly minor and small causes a person, system or organisation to collapse or fail
Her husband's violent act last night was the straw that broke the donkey's back and she left him