The idiom "U-turn" refers to a sudden and complete reversal of direction or opinion. It comes from the literal action of making a U-shaped turn while driving.
For example, if someone changes their mind about something completely and goes back on their previous decision, you could say they made a U-turn.
It can also be used to describe a physical action, such as turning a vehicle around to go in the opposite direction.
In informal conversation, it can also be used to describe a sudden change in behavior or attitude.
Overall, the idiom "U-turn" is used to describe a complete reversal of direction or opinion, whether it be physical or metaphorical.
• After years of living a sedentary lifestyle, she decided to do a U-turn and prioritize her health by committing to a regular exercise routine.
• The politician made a U-turn on his stance regarding immigration policy, causing controversy among his supporters.
• My friend was going to break up with her boyfriend, but she did a U-turn and decided to give him another chance.
• I got lost while driving and had to make a U-turn to get back on track.
• The company had to do a U-turn on their decision to lay off employees after facing backlash from the public.
• The athlete made a U-turn in her training routine, focusing more on strength training instead of cardio.