/tɜːrn ɪn/
Turn in 是一个常用的英语短语动词,主要有以下含义:
I need to turn in my homework before class starts tomorrow.
我需要在明天上课前交作业。
After working late on the project for three consecutive nights, she finally decided to turn in early and get some rest.
在连续三个晚上加班赶项目之后,她终于决定早点上床休息。
Turn 源自古英语 turnian 和古法语 torner,意为"旋转、转动"。Turn in 作为短语动词,其"提交"的含义来自"将某物转交到某处"的意象;而"睡觉"的含义则源于"转身进入(床铺)"的动作比喻。这个短语至少从17世纪起就在英语中广泛使用。