turn off和shut off的主要区别在于中文意思不同。turn off的中文含义有“驶离”、“离开”、“转弯”、“拐入旁路”、“关掉”、“截断”、“使丧失兴趣”；而shut off的中文含义有“使停止运转”、“躲开他人”、“切断”、“停止…的供应”。
一、turn off的基本释义及双语例句介绍
turn off意为驶离，离开（…路）;转弯;拐入旁路;关上;关掉;截断，切断（…的供应）;使丧失兴趣;使没有性欲;使失去性欲。
1、The light's a bit too harsh. You can turn it off...
灯光有点太刺眼了。你可以把灯关掉。
2、What turns teenagers off science and technology？
是什么使青少年对科学技术丧失了兴趣？
3、Aggressive men turn me off completely.
咄咄逼人的男人让我完全没有欲望。
4、Now, turn off the TV at once and do your homework.
现在立刻关掉电视去做作业。
5、Turn off at the signpost for Attlebridge.
在路标处拐弯去往阿特尔桥。
6、You can't turn off that stream of memories, no matter how hard you try.
无论多么努力去尝试，你都无法关掉回忆的闸门。
二、shut off的基本释义及双语例句介绍
shut off意为关闭;关上;使停止运转;（通常因沮丧而）躲开他人，不见人，不与人来往;切断，停止（…的供应）。
1、They pulled over and shut off the engine...
他们靠边停车熄火。
2、Billy tends to keep things to himself more and shut himself off...
比利往往更多地将事情藏在心里，把自己封闭起来。
3、The State Water Project has shut off all supplies to farmers.
州水利工程项目已切断了对农场主的所有供水。
4、The engines shut off automatically in an emergency.
遇到紧急情况发动机便自动停止工作。
5、Martin shut himself off from the world to write his book.
马丁不与外界接触，专心写书。
6、However, even so he could not shut off the noise.
然而，即使这样他也不能躲避这噪音的干扰。
