1PHRASAL VERB 上交(作业、拾到的失物等) If you hand in something such as homework or something that you have found, you give it to a teacher, police officer, or other person in authority. 上交(作业、拾到的失物等)
I'm supposed to have handed in a first draft of my dissertation. [VERBPREP. noun]
我本该把论文的初稿交上去了。
My advice to anyone who finds anything on a bus is to hand it in to the police. [VERB noun PREP.]
我的建议是,在公共汽车上不管捡到什么东西都上交给警察。
2PHRASAL VERB 提出,递交(辞呈) If you hand in your notice or resignation, you tell your employer, in speech or in writing, that you no longer wish to work for them. 提出,递交(辞呈)
I handed my notice in on Saturday. [VERB noun PREP.]
我周六递交了辞职信。
All eighty opposition members of parliament have handed in their resignation. [VERBPREP. noun]