hand in

上交（作业、拾到的失物等）; 提出（辞职）; 递交（辞呈）

柯林斯词典

PHRASAL 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.I'm supposed to have handed in a first draft of my dissertation...我本该把论文的初稿交上去了。