"turn in after you see the gate"
"the guard delivered the criminal to the police"
"render up the prisoners"
"render the town to the enemy"
"fork over the money"
"They turned in a splendid effort"
"They turned in top jobs for the second straight game"
"I usually turn in at midnight"
"He goes to bed at the crack of dawn"
1.上床睡觉
When youturn in, you go to bed.
turn in是什么意思
e.g. Would you like some tea before youturnin?
你睡前想喝杯茶吗？
2.把（犯罪嫌疑人）交给警方;告发;检举;自首
If youturn someonein, you take them to the police or tell the police where they are because they are suspected of committing a crime. If youturn yourselfin, you go to the police because you have been involved in a crime.
turn in
e.g. He has been given until noon today toturn himselfin to authorities...
他被要求在今天中午前向当局投案自首。
e.g. There would be strong incentives toturn someonein...
向警方举报某人将获重赏。
3.上交;提交;交付
When youturn in a completed piece of work, especially written work, you give it to the person who asked you to do it.
e.g. Now we wait for them toturnin their essays...
现在我们等着他们交上作文。
e.g. I want everybody toturn a reportin.
我希望每个人都上交一份报告。
4.交还;返还
If youturn somethingin, you return it to the place or person you borrowed it from.
e.g. I went back to the station-house toturnin my badge and gun...
我回到警局交还警徽和佩枪。
e.g. The official showed up to tell her toturnin her library books.
那名管理人员出面让她返还所借图书馆的书。
1. 交出：turn down 关小、调低、拒绝 |turnin 交出 |turninto 变成
2. 上床睡觉;交还,上交：takein 欺骗;领会,理解 | take partin 参加,参与 |turnin 上床睡觉;交还,上交
3. 拐入：turn down 向下折转 |turnin 拐入 |turninside out 翻出
4. 转身进入;拐入;交出：turn down 关小,调低;拒绝 |turnin 转身进入;拐入;交出 |turninto 进入;使变成,使成为
你睡前想喝杯茶吗？
Retailers have given up waiting for a turn in the housing market.零售商们已放弃等待房产市场上的转机。
Now we wait for them to turn in their essays.现在我们等着他们交上作文。
turn in your homework, please.请把作业交上来.
The market showed an upward turn in August.八月间市场情况有所好转.
I'm going to turn in my nightshift.我要下夜班了.
It's late. I think I'll turn in.很晚了, 我想我要睡了.
turn in everything captured.一切缴获要归公.
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.
The teacher demands that students should turn in their test papers within two hours.老师要求学生两小时内交卷.
You can't be so bad. It's to make your grandmother turn in her grave.你不能如此坏, 那会让你的祖母死不瞑目.
Let's turn in early , so as to get up early tomorrow to catch the train.今儿早点睡, 明儿好早起赶火车.
I heard the key turn in the front door and I was out of bed like a shot.听到钥匙在开前门的声音，我立即从床上起来了。
