turn in有关注的意思
turn in释义：
交上；归还；拐入；告发；上床睡觉
例句：
Her feet turn in.
她的两脚呈内八字。
He spun the wheel sharply and made a U turn in the middle of the road.
他猛打方向盘，在路中间掉头。
The official showed up to tell her to turn in her library books.
那名管理人员出面让她返还所借图书馆的书。
James is so mercenary that he'd turn in his own mother for the reward money.
詹姆斯太唯利是图了,他为领取赏钱竟出卖了自己的母亲.
