something that happens without being planned and that is not expected
There are many car accidents in this area, so be careful when driving.
all day
lasting for the duration of the day time hours
I had to stay at the office all day.
all night
lasting for the duration of the evening hours
Jane was up all night working on her project.
drop off
to deliver or deposit at a specific place
Could you please drop me off at the next corner?
emergency room
the section of a health care facility for providing rapid treatment to victims of sudden illness or trauma
When I broke my arm my wife rushed me to the emergency room.
happen
to take place or occur by chance
When did the accident happen?
rush
to do something very quickly
The two inventors rushed to complete and submit their patent applications ahead of one another.
scary
frightening
The scary monster is living in my closet!
stay up
to remain awake
Jill and Whitney stayed up all night talking about boys.
take care of
to look after
The mother had to quit her job and take care of her son when he became disabled from the accident.