guard

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
guard 作为名词指守卫者或防护装置,作为动词表示保卫、看守或警惕,强调保护或防止危险。

用法要点

句型搭配

guard 常用于及物动词结构,后接宾语表示保护对象;也可作不及物动词,与介词搭配使用。

• guard the entrance
• guard against mistakes
• guard the prisoner

介词用法

guard 与 against 连用表示“防止、警惕”,强调预防;与 from 连用表示“保护免受”,强调外部威胁。

• guard against theft
• guard from harm
• guard against infection

语域说明

guard 在正式和非正式语境中都常用,军事、安全领域多指守卫者,日常用语可泛指保护或小心。

• security guard
• guard your health
• guard the secret

基础例句

The security guard checks everyone entering the building.

保安检查每个进入大楼的人。

You should guard your personal information online.

你应该在网上保护个人信息。

The dog guards the house when we're away.

我们不在家时,狗会看家。

She always guards against making the same mistake twice.

她总是警惕避免犯同样的错误。

高级例句

The company implemented strict protocols to guard against data breaches.

公司实施了严格协议以防止数据泄露。

In the study, participants were asked to guard confidential documents.

研究中,参与者被要求看守机密文件。

The treaty includes clauses to guard national sovereignty in trade agreements.

条约包含条款以在贸易协定中保卫国家主权。

Effective risk management guards the organization from financial losses.

有效的风险管理保护组织免受财务损失。

高频搭配

verb

stand guardpost guardmount guardrelieve guardchange guard

adjective

armed guardsecurity guardroyal guardfront guardrear guard

noun

guard dutyguard dogguard railguard cellguard house

adverb

closely guardheavily guardcarefully guardconstantly guard

preposition

guard againstguard fromguard overguard with

phrase

on guardoff guardguard of honordrop one's guardkeep guard

常见错误

❌ 错误:I guard my health by eating healthy.
✓ 正确:I guard my health by eating healthily.

错误在于使用了形容词 healthy 修饰动词 eating,应改为副词 healthily 以正确描述方式。

❌ 错误:He guards the door to prevent anyone enter.
✓ 正确:He guards the door to prevent anyone from entering.

错误在于 prevent 后直接跟动词原形 enter,正确用法是 prevent someone from doing something,需加 from 和动名词。

近义词辨析

protect

protect 更强调提供安全或防御,常用于物理或抽象保护;guard 侧重看守、警惕,有主动监视意味。

Guard the perimeter (强调监视),Protect the environment (强调维护安全)。

defend

defend 通常指抵御攻击或辩护立场,有对抗性;guard 更中性,指防止危险或看守,不一定涉及冲突。

Defend the country in war (抵御攻击),Guard the museum at night (看守防窃)。