('US') She shifted 'into' low/high 'gear'. = ('Brit') She changed 'into' bottom/top 'gear'. [=she changed to a gear that allows for a slower/faster rate of speed]
This discovery will bring about a 'paradigm shift' in our understanding of evolution. [=will cause people to understand evolution in a completely new way]
We need to 'shift ourselves' [='get moving'] if we're going to make it home before dark.
(..) Fat Trout Trailer Park... for a month. We'll check that. Worked as a waitress at Hap's Diner. Worked the night shift. Good place for dinner when we're through here, Sam. No one came to claim the body. No known next of kin. Crushed skull. (..)1992 Twin Peaks: Fire Walk with Me