1. To change direction or course:
* "The ship turned sharply to avoid the iceberg."
* "She turned away from the argument."
* "The road turns to the left."
2. To become something else:
* "The milk turned sour."
* "The leaves are turning brown."
* "The weather has turned cold."
3. To change one's opinion or attitude:
* "He turned against his old friend."
* "She turned her back on her family."
* "The public has turned against the government."
4. To take a turn, or have an opportunity:
* "It's your turn to choose."
* "It's the company's turn to host the event."
* "The world is turning towards renewable energy."
5. To be helpful or kind:
* "He turned his back on me when I needed help."
* "She turned her hand to cooking."
* "The tide is turning in favor of the underdog."
6. To be successful:
* "He turned his life around."
* "The business turned a profit this year."
* "The movie was a box office turn."
7. To be involved in or become part of something:
* "He turned to crime."
* "She turned her attention to her studies."
* "The company is turning towards new markets."
8. To be present:
* "The tide is turning."
* "It's my turn."
* "The time is turning."
9. To rotate or move in a circle:
* "The earth turns on its axis."
* "The wheel turns."
* "The clock hands turn."
These are just a few examples of the many ways the idiom "turn" can be used. The specific meaning will depend on the context of the sentence.