over·drive 
/ˈoʊvɚˌdraɪv/ noun
/ˈoʊvɚˌdraɪv/ noun [noncount] 1 : a gear in an automobile that allows it to be driven at higher speeds
▪ He put/shifted the car into overdrive. 2 : a state of great activity especially in order to achieve something
▪ His acting career is in overdrive. ▪ The reporters went into overdrive to finish their stories on time.
▪ He put/shifted the car into overdrive.
▪ His acting career is in overdrive. ▪ The reporters went into overdrive to finish their stories on time.
