1. Turn against: 

Stop liking and start disliking 

Example: 

-The public turned against the government when they became arrogant and ceased to listen.

-She turned against her best friend.

2. Turn away:

Not allow someone to enter a place or join an organization

Example: 

-The show was so popular police had to turn people away.

- Thousands of applicants are turned away each year.

3. Turn around

1. something successful or profitable that has been doing badly

 Example: 

-They are hoping to turn the company around with the launch of the new products.

2. Produce or complete work

Example: 

-We hope to be able to turn the job around and deliver the product in a few weeks.

3. React negatively

 Example:

- You supported the idea, so don't turn around and condemn it now.

4. To change direction; Reverse one's course or actions

 Example: 

- Having taken the wrong turn, we had to turn around and retrace our steps.

- The company was struggling financially, but they turned their fortunes around and became profitable within a year.