('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.
(..) that's gonna make me forget... that I love my wife, is there? Look, you know... she comes home from work in about an hour and a half. Graveyard shift at the hospital. You got to make some phone calls? You got to call some people? Well, then do it, and get (..)1994 Pulp Fiction