turn in

动词 turn in:

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

1. I want to turn in early tonight and get a good night's rest.
   今晚我要早睡，好好地休息一夜。
2. She threatened to turn him in.
   她威胁说要向警方告发他。