turned in

基本解释

We turned in at the entrance.
我们从入口进去了。
My students turned in a good performance at the English evening.
我的学生在英语晚会上作了出色的表演。
But, an ASEAN diplomat sniffs, Indonesia should keep its own ambitions in check, lest the tables are turned in future.
但东盟一位外交官对此嗤之以鼻，认为印尼应约束自个的野心，免得将来局面转变不好办。

I knew that he had been lying awake ever since the first noise, when he had turned in the bed.
So, you turned in p-set 3 today, but we'll have the answers posted for you this afternoon, so you can start studying from p-set 3, even as early as tonight, if you want to, because those answers will be there for you.
今天大家应该要交第三次作业了，而我们会在今天下午将答案给大家贴出来，这样大家就可以尽快开始复习第三次作业的内容了，甚至今天晚上就可以开始，如果你需要的话，这些答案将会给你一些帮助。
麻省理工公开课 - 化学原理课程节选
If you've turned in a program that's not syntactically correct, the TAs give you a zero.
不正确的,问题组，助教会给你们一个零分。
麻省理工公开课 - 计算机科学及编程导论课程节选

This week, the PC community turned in its worst performance since IDC and Gartner started counting.
FORBES: The PC Industry Is Digging Its Own Grave