Turn against
Stop liking and start disliking
Turn around
Make something successful or profitable that has been doing badly
Turn away
Not allow someone to enter a place
Turn down
Reduce volume, temperature, etc.
Turn in
Go to bed
Turn into
Become
Turn off
Stop a machine or device.
Turn on
Cause someone to feel attraction or pleasure
Turn out
Produce
Turn over
Give to the authorities
Turn to
Try to get help
Turn up
To appear