turn in(短语动词)
/tɝːn ɪn/(美)
/tɜːn ɪn/(英)
Please turn in your homework by Friday.
请在周五前上交作业。
After months of investigation, the journalist refused to turn in her source, even under pressure from the authorities.
经过数月调查,这位记者即使在当局施压下也拒绝交出她的消息来源。
由 turn(转向)+ in(向内/进入)构成的短语动词。早期含义与“把东西转到里面、交进去”相关,逐渐引申为把材料递交给某个机构/负责人(submit/hand in)。另外,“turn in”也可表示把身体转向床铺、回房休息,因此发展出“就寝”的口语义。
(不同版本用词可能略有差异;该短语在英语小说对白与叙述中很常见。)