('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.
(..) of female partners. And male partners, animal partners, large primordial eggplants-- pretty much whatever tickled his fancy. Yes, but our society has undergone a paradigm shift. In the Information Age, Sheldon, you and I are the alpha males. We shouldn't have to back down. True. (..)2007 TvShow: The Big Bang Theory Title: The Middle Earth Paradigm Season: 1 Episode 6