“Keep sb off sth”的意思、例句及用法解析

“Keep sb off sth”是什么意思?

“Keep sb off sth” 意思是阻止某人做某事或参与某事。它通常指阻止某人接触、使用或参与某个特定的事物或活动。

介绍

短语“keep sb off sth”是英语中常见的动词短语。它结合了“keep”,意为保持或阻止,以及“off”,意为远离某物。“sb”代表某人,“sth”代表某事。因此,这个短语的意思是阻止或防止某人接触、使用或做某事。理解“keep sb off sth”的含义在许多日常情境中都很有用,比如父母想让孩子远离危险物品,或者有人想避免分心。这个短语在正式和非正式英语中都广泛使用,是学习者必须正确掌握的重要表达。

快速信息框

  • 短语动词:keep somebody off something
  • 类型:及物动词
  • 水平:B1(中级)
  • 简短含义:阻止某人参与或接触某事。

结构(语法规则)

“Keep sb off sth”是一个可分离的短语动词,但在日常使用中通常不分开。基本结构是:

    Keep + somebody (sb) + off + something (sth)
  • Example: Keep children off the grass. (请勿让儿童踩踏草坪。)

你不能把宾语放在“keep”和“off”之间。例如,“keep off the grass”是正确的,而“keep the grass off”是不正确的。

如何使用“Keep sb off sth”?

这个短语用来表示阻止某人接近或使用某物。它可以是具体的,比如让孩子远离危险的机器,也可以是抽象的,比如让某人避开某个话题或问题。它通常与人(某人)和事物或地点(某物)一起使用。

例子

以下是一些自然的例句,帮助你理解如何在句子中使用“keep sb off sth”:

  • The sign says, “Please keep children off the construction site.” (标志上写着:“请勿让儿童进入施工现场。”)
  • We need to keep him off the medication until the doctor gives approval. (在医生批准之前,我们需要让他停止服药。)
  • Parents try to keep their kids off sugary snacks to promote healthy eating. (父母努力让孩子远离含糖零食,以促进健康饮食。)
  • The doctor advised me to keep off heavy exercise after the surgery. (医生建议我手术后避免剧烈运动。)
  • Security guards kept the crowd off the stage during the concert. (音乐会期间,保安将人群挡在了舞台之外。)

常见错误

有时学习者会混淆顺序或误用该短语。以下是一些例子:

  • Incorrect: Keep off children the toys.
    Correct: Keep children off the toys.
  • Incorrect: Keep the toys off children.
    Correct: Keep children off the toys.
  • Incorrect: Keep off the children from the table.
    Correct: Keep the children off the table.

记住:“keep”后面总是紧跟着人(sb),然后是“off”,最后是事物(sth)。

差异 / 同义词

其他短语动词有时看起来相似,但含义不同:

  • Keep sb away from sth:: 这意味着阻止某人靠近某物,类似于“keep sb off sth”,但更强调保持距离。
  • Keep sb out of sth:: 这意味着阻止某人进入某个地方或情况,其范围可能比单纯的“远离”某物更广泛。
  • Keep sb from sth:: 这意味着阻止某人做某事,更侧重于动作而非地点。

“Keep sb off sth” 更具体地指防止某人与某物或某地发生身体接触或参与其中。

常用搭配

以下是一些常与“keep sb off sth”搭配使用的常见物品和地点及其含义:

  • Keep children off the grass: Stop children from walking or playing on the grass. (禁止儿童踩踏草坪:阻止儿童在草坪上行走或玩耍。)
  • Keep pets off the furniture: Prevent animals from climbing on sofas or chairs. (让宠物远离家具:防止动物爬上沙发或椅子。)
  • Keep workers off dangerous equipment: Stop workers from using unsafe machinery. (让工人远离危险设备:阻止工人使用不安全的机械。)
  • Keep patients off certain foods: Prevent patients from eating specific items for health reasons. (让患者避免某些食物:出于健康原因,防止患者食用特定的食物。)
  • Keep students off the exam papers: Stop students from accessing test materials before the exam. (让学生远离考试试卷:阻止学生在考试前接触考试材料。)

相关短语动词

以下是相关短语动词 keep sb off sth:

现实生活对话

这是一个使用“keep sb off sth”的简短对话:

Mom: Please keep the kids off the wet paint. It will ruin their clothes.
妈妈:请让孩子们远离刚刷过的油漆,那会弄脏他们的衣服。

Dad: Don’t worry, I told them to stay away.
爸爸:别担心,我已经让他们别靠近了。

Mom: Good. We don’t want to clean up a mess.
妈妈:好,我们可不想收拾一团糟。

练习

Try to fill in the blanks with the correct form of “keep sb off sth”:

  • The teacher asked us to __________ the science lab until the experiment was finished.
  • Can you __________ the dog __________ the sofa? It’s new and expensive.
  • They put a fence to __________ people __________ the construction area.

常见问题解答

  • Q:“keep sb off sth” 可以用来表示非物理性的事情吗? 可以,它不仅指防止某人接触某物,还可以表示阻止某人做某事。
  • Q:“keep sb off sth” 是正式用语还是非正式用语? 它既可以用于正式场合,也可以用于非正式场合。
  • Q:我可以说“keep off sb”吗? 不可以,正确的顺序是“keep sb off sth”。
  • Q:“keep sb off sth”和“keep sb away from sth”有什么区别? “keep sb off sth”侧重于防止接触或使用,而“keep sb away from sth”侧重于保持距离。
  • Q:“sb”总是指人吗? 是的,“sb”代表某人(一个人)。

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