flag down
a roller coaster ride
hammer (something) home
asleep at the wheel
screw up
Hit the nail on the head
make a bad mistake
Find exactly the right answer
hammer (something) home to tell people about something in a way that makes them understand and accept it, especially by repeating it many times
To wave one's arms to attract someone's attention, usually to get them to stop moving
asleep at the wheel not taking care of your responsibilities or not doing your job
an experience that had parts of it that were very good and parts of it that were very bad
