turn in

• 短语动词，指把某物（如作业或报告）交给负责人，或上床睡觉。

A phrasal verb used to indicate the act of submitting something (like homework or a report) to an authority, or going to bed.

不可数 · 及物 · 短语动词，可分

1. Submit or hand overformal

   To give something to someone in authority, such as homework, a report, or a form.

   提交

   • Please turn in your assignments by Friday.
   • She turned in her resignation letter yesterday.
   • He turned in the lost wallet to the police.

   同义词deliverfilegive inpresentsend insubmit

   反义词keepretainwithhold

2. Go to bedinformal

   To go to sleep or retire for the night.

   上床睡觉

   • I'm tired, so I'm going to turn in early tonight.
   • They turned in after watching the late movie.
   • She usually turns in around 10 PM.

   同义词bed downcrashgo to bedhit the hayhit the sackretiresack out

   反义词ariseawakerisewake

3. Surrender or give upformal

   To give oneself up to the authorities, especially after committing a crime.

   自首

   • The fugitive decided to turn himself in to the police.
   • He turned in his weapon after the standoff.
   • She turned in her badge and resigned from the force.

   同义词give upsurrenderyield

   反义词abscondescapefleehide

基本动词turn