| Idiom | Meaning | Example | 
| turn in | 
give to the manager,  hand in
 | 
When you leave our company, please turn in your uniform.
 | 
| turn in | 
go to bed, crash, hit the hay
 | 
I'm going to turn in now. I'm very tired.
 | 
| turn into | 
become, change into, convert
 | 
If you eat any more hotdogs you'll turn into a wiener!
 | 
| turn of the century | 
(See the turn of the century)
 | 
 | 
| turn-on | 
something that excites or arouses you
 | 
Her voice was a turn-on for me. She has a sexy voice.
 | 
| turn on a dime | 
turn sharply, turn quickly, do a 180
 | 
An Alfa Romeo has excellent steering. It can turn on a dime.
 | 
| turn on you | 
turn against you, change from friend to enemy
 | 
If you preach your religion, they may get mad and turn on you.
 | 
| turn out | 
happen, develop, end up
 | 
How did your cake turn out? Is it a good recipe?
 | 
| turn out | 
attend, show up
 | 
Only 40% of the population turned out to vote.
 | 
| turn over a new leaf | 
begin living by a new  set of rules or values
 | 
Since Bob stopped drinking he's turned over a new leaf.
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