turn-in

动词 turn-in:

1. make an entrance by turning from a road
   同义词：turn in
2. to surrender someone or something to another
   同义词：hand over, fork over, fork out, fork up, turn in, get in, deliver, render
3. carry out (performances)
   同义词：put on, turn in
4. prepare for sleep
   同义词：go to bed, turn in, bed, crawl in, kip down, hit the hay, hit the sack, sack out, go to sleep, retire