hand in
phrasal verbhand something in (to somebody)
(British English also give something in (to somebody))
- to give something to a person in authority, especially a piece of work or something that is lost
提交，呈交，上交（尤指书面材料或失物） - You must all hand in your projects by the end of next week.
你们都必须在下周末前交出研究报告。 - I handed the watch in to the police.
我把那块表交给了警察。 - to hand in your notice/resignation (= formally tell your employer that you want to stop working for them)
递交辞呈
- You must all hand in your projects by the end of next week.