hand in

hand in 上交，提交

【用法】 该短语尤指上交书面材料或失物等，其形式有hand in sth．或hand sth．in。

【例句】

◆ Be sure to hand in your composition this afternoon．务必在今天下午把你的作文交上来。 

◆ He handed in his resignation right after the cabinet meeting.内阁会议一开完，他就提交了辞呈。