hand sth in是什么短语

是动词和副词构成的动副短语，中文意思是，上交某物Time's up. Stop writing and hand in your papers.时间到了。

不要再写了，把试卷交上来。Go over your work for spelling mistakes before you hand it in.交作业前仔细检查一下拼写错误。She made some cuts before handing over the finished novel.