انجمن علمی زبان دانشگاه آزاد یزد

turn in

1. turn something ↔ in to give something to a person in authority, especially an illegal weapon or something lost or stolen:
The rebels were told to turn in their weapons and ammunition.
turn something ↔ in to 
My wallet was turned in to the police two days later.

2. turn something ↔ in American English to give back something you have borrowed or rented [= return]:
When do the library books have to be turned in?

3. turn in something to produce a particular profit, result etc:
Bimec turned in net profits of £2.4 million.
Last night the team turned in another dazzling performance.

4. turn somebody ↔ in SC to tell the police who or where a criminal is:
Margrove's wife finally turned him in.

5. to go to bed:
I think I'll turn in early tonight.

6. turn something ↔ in American English to give a piece of work you have done to a teacher, your employer etc [= hand in British English] 
Have you all turned in your homework assignments?

7. turn (somebody/something) into something phrasal verb
1 to become something different, or to make someone or something do this:
The sofa turns into a bed.
A few weeks later, winter had turned into spring.
Hollywood discovered her and turned her into a star.
2 to change by magic from one thing into another, or to make something do this:
In a flash, the prince turned into a frog.
The witch had turned them all into stone.