“Guard against sth”是什么意思?
“Guard against sth” 意味着保护自己或某物免受可能的危险、风险或问题。
介绍
短语“guard against sth”是英语中一个非常实用的表达,意思是采取预防措施以避免伤害或损失。其中,“sth”代表“something”,可以指任何威胁、风险或问题。理解“guard against sth”的含义有助于你在对话和写作中正确使用它。例如,你可以通过洗手来防止疾病,或者通过锁门来防止盗窃。这个短语在日常英语和正式场合中都很常见,尤其是在讨论安全、健康或保障时。掌握如何有效使用“guard against sth”会让你的语言更加清晰准确。
快速信息框
- 短语动词:guard against something
- 及物动词
- 水平:B2(中高级)
- 简短含义:防范风险或危险
结构(语法规则)
“Guard against sth”是一个及物且不可分割的短语动词。这意味着宾语(某事物)总是跟在整个短语之后,不能放在“guard”和“against”之间。
Correct pattern: guard against + something错误用法:guard something against
如何使用“Guard against sth”?
当谈论采取行动以防止或减少危害时,你会使用“guard against sth”。它通常用于正式和中性的语境中,如建议、警告或指示。你可以将其与描述风险、危险或问题的名词一起使用。
示例用法:
- Guard against fraud by checking your bank statements regularly. (通过定期核对银行账单来防范欺诈行为。)
- We need to guard against mistakes in the report. (我们需要防范报告中的错误。)
- She guards against cold weather by wearing warm clothes. (她通过穿着保暖衣物来防范寒冷天气。)
例子
以下是一些展示如何在句子中使用“Guard against sth”的例句:
- Farmers guard against pests to protect their crops. (农民防范害虫以保护庄稼。)
- To guard against identity theft, never share your personal information online. (为了防止身份被盗,切勿在网上泄露个人信息。)
- He guards against stress by meditating every morning. (他通过每天早晨冥想来防范压力。)
- Schools guard against bullying through strict rules and supervision. (学校通过严格的规章制度和监督来防止欺凌行为。)
- We must guard against any errors during the presentation. (我们必须防范演示过程中出现的任何错误。)
常见错误
有时学习者会弄错词序或错误使用短语。以下是一些例子:
- Incorrect: She guards the house against burglars. (This is correct but different in meaning; “guard the house” means to watch over it physically.)
- Incorrect: He guards against it the mistake.
- Correct: He guards against the mistake.
请记住,“guard against”后面紧跟着风险或问题。
区别 / 同义词
“Guard against sth” 类似于“protect against”、“defend against”或“prevent”这类短语。然而,“guard against”通常意味着积极的警惕或保持警觉以避免问题。
- Protect against:: 专注于建立一道屏障或安全措施。
- Defend against:: 通常意味着反击或抵抗攻击。
- Prevent:: 意味着完全阻止某事的发生。
例如:我们通过谨慎处理电子邮件来“Guard against scams”,通过使用杀毒软件来防范病毒,并通过遵守安全规则来预防事故。
常见搭配
“Guard against” 常与以下常见对象连用:
- Fraud: To avoid dishonest actions. (欺诈:为了避免不诚实的行为。)
- Infection: To prevent illness. (感染:预防疾病。)
- Errors: To avoid mistakes. (错误:为了避免犯错。)
- Theft: To prevent stealing. (盗窃:防止偷窃。)
- Loss: To avoid losing something valuable. (损失:为了避免失去宝贵的东西。)
相关短语动词
以下是相关短语动词 guard against sth:
现实生活对话
以下是一个使用“Guard against sth”的简短对话:
Anna: How can I guard against getting sick this winter?
安娜:我该如何预防这个冬天生病呢?
Ben: Make sure you wash your hands often and get a flu shot.
本:一定要经常洗手,并且接种流感疫苗以预防疾病。
Anna: That sounds good. I want to guard against any illness during the holidays.
安娜:听起来不错。我想在假期里预防任何疾病。
练习
Try to complete the sentence below by choosing the best option:
She wears a helmet to _______ head injuries while cycling.
- a) guard against
- b) guard for
- c) guard with
Answer: a) guard against
常见问题解答
- Q: “Guard against”可以用于非正式英语吗?
A: 可以,但它更常见于正式或中性语境中。
- Q: “guard against” 是可分离的吗?
A: 不是,宾语必须跟在 “guard against” 之后。
- Q: 我可以用“guard against”来表示抽象概念吗?
A: 可以,比如说guard against错误或压力。
- Q: “Guard against”和“protect against”有什么区别?
A: “Guard against”意味着保持警惕,而“protect against”则意味着建立防御。
- Q: “Guard against”可以和代词一起使用吗?
A: 可以,例如“guard against it”或“guard against them”。

