run off

• 用于表示快速或突然离开，或指用机器复制、打印材料。

A phrasal verb used to indicate the act of leaving quickly or suddenly, or to produce copies of something using a machine.

不可数 · 不规则动词 · 及物和不及物 · 短语动词，可分

1. Leave quicklyinformal

   To leave a place suddenly or quickly, often to escape or avoid something.

   跑掉

   • The thief ran off when he saw the police.
   • She ran off without saying goodbye.
   • He ran off to catch the last bus.

   同义词boltdashfleehightail itscamperskedaddletake offvamoose

   反义词lingerremainstaytarry

2. Produce copiesinformal

   To print or make copies of something, especially quickly.

   快速复印

   • Can you run off 20 copies of this document?
   • The printer ran off the flyers in minutes.
   • She ran off a few extra pages for the meeting.

   同义词copyduplicatephotocopyprintreproducexerox

3. Drain liquidformal

   To cause liquid to flow away or drain from a surface or container.

   排出液体

   • The rainwater ran off the roof into the gutter.
   • Make sure the excess water runs off the driveway.
   • The chemical ran off into the river, causing pollution.

   同义词decantdischargedraindraw offemptyflushlet outsiphontap

基本动词run