Matching Pairs Simple Machine Idioms #2Online version Match the idiom with it's meaning by Ms McClain 1 flag down 2 Hit the nail on the head 3 screw up 4 a roller coaster ride 5 asleep at the wheel 6 hammer (something) home hammer (something) home to tell people about something in a way that makes them understand and accept it, especially by repeating it many times an experience that had parts of it that were very good and parts of it that were very bad To wave one's arms to attract someone's attention, usually to get them to stop moving Find exactly the right answer make a bad mistake asleep at the wheel not taking care of your responsibilities or not doing your job