1
take precaution(s) against sth
常用复数形式表示多项预防措施。
We took precautions against theft.
我们采取了防盗措施。
预防措施；防范措施
先理解核心含义，再看它在真实句子里的用法。
预防措施；防范措施
an action taken in advance to prevent danger or harm
We took precautions against theft.
我们采取了防盗措施。
预先采取的谨慎或小心,以防止不幸或确保好运。
Previous caution or care; caution previously employed to prevent misfortune or to secure good.
预先采取的措施以避免灾祸或确保成功；预防性行为。
A measure taken beforehand to ward off evil or secure good or success; a precautionary act.
Before the storm, we took the precaution of boarding up the windows.
暴风雨来临前，我们采取了用木板封窗的预防措施。
She always carries a spare umbrella as a precaution against sudden rain.
她总是随身携带一把备用伞，以防突然下雨。
The doctor advised a few simple precautions to avoid infection.
医生建议采取一些简单的预防措施以避免感染。
常用复数形式表示多项预防措施。
We took precautions against theft.
我们采取了防盗措施。
常置于句末，表示目的。
He locked the door as a precaution.
他锁了门作为一种预防措施。
常与介词against搭配。
This is a necessary precaution against fire.
这是防火的必要预防措施。
Not this
You should precaution against fire.
Use this
You should take precautions against fire.
错误：将 'precaution' 误作动词使用。英语中 'precaution' 是名词，表示预防措施，常用搭配为 take precautions。汉语的“预防”可作动词，但英语需用动词短语。
Not this
We took precautions for the storm.
Use this
We took precautions against the storm.
错误：误用介词 'for'。表示“预防某事”时，介词应为 'against'，而非 'for'，因 precaution 侧重防范潜在危险。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
采取预防措施
You should take precautions against theft.
你应该采取防盗措施。
作为预防
She locked the door as a precaution.
她锁上门作为预防措施。
安全防范措施
Wearing a helmet is an important safety precaution.
戴头盔是一项重要的安全防范措施。
必要的预防措施
We took all necessary precautions to avoid accidents.
我们采取了所有必要的预防措施以避免事故。
额外预防措施
He installed an alarm as an extra precaution.
他安装了警报器作为额外的预防措施。
预防性措施
The government implemented precautionary measures.
政府实施了预防性措施。
采取预防措施
We took precautions against theft by installing a security system.
我们安装了安全系统来防范盗窃。
作为预防措施
She carried an umbrella as a precaution against the rain.
她带了一把伞以防下雨。
安全预防措施
Always wear a helmet as a safety precaution when riding a bike.
骑自行车时始终戴头盔作为安全预防措施。
预防措施，马蒂，预防措施！
Doc Brown says this to Marty in 'Back to the Future' when Marty questions his safety gear.
布朗博士在《回到未来》中对马丁说这句话，当时马丁质疑他的安全装备。
Use precaution naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆解：pre（预先）+ caution（小心）→ 预先小心，就是预防措施。联想：过马路前“预先小心”就是precaution。
[object Object]
often plural; used with 'take'
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.