The idiom "turn the corner" means to pass a difficult or challenging situation and start to make progress or improvement. It can also refer to a change in direction or attitude that leads to a positive outcome.
For example, if someone has been struggling with a health issue and they start to feel better, they can say they have turned the corner. Similarly, if a business has been struggling financially but then starts to see an increase in profits, they can say they have turned the corner.
The idiom can also be used in a more metaphorical sense, such as when someone has been going through a tough time emotionally and then starts to feel more optimistic and hopeful.
Overall, "turn the corner" is a positive and optimistic expression that suggests that things are starting to improve after a difficult period.
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