insure sth
及物动词，表示给某物投保。
You should insure your car before driving it.
你应该在开车前给车上保险。
给…投保；为…保险
insures — third person singular of insure
承保；经营保险；为特定风险提供补偿；通常通过保单约定在事故、盗窃等不良事件发生时赔偿经济损失；经营保险业务；投保；保险；确保
To protect someone or something by buying an insurance policy that pays for losses, damage, or injury.
为特定风险提供补偿；通常通过保单约定在事故、盗窃等不良事件发生时赔偿经济损失
To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of an accident, theft or other undesirable event.
经营保险业务；投保
To deal in such contracts; subscribe to a policy of insurance
一般现在时
I insure my car every year.
我每年都给车投保。
一般过去时
She insured the package yesterday.
她昨天给包裹投了保。
现在进行时
He is insuring his house now.
他现在正在给房子投保。
规则动词
You should insure your car against theft and accidents.
你应该为你的汽车投保盗窃和事故险。
用法提示：动词insure在这里表示‘为……投保’，后面跟被保险的对象和保险范围。
He insured his house for a large sum of money.
他为他的房子投保了巨额保险。
用法提示：动词insure表示‘为……投保’，后面直接跟被保险的财产和保险金额。
Please insure that all the doors are locked before you leave.
请确保你离开前所有的门都锁好了。
用法提示：动词insure在这里表示‘确保’，后接that从句，强调采取措施保证某事发生。
及物动词，表示给某物投保。
You should insure your car before driving it.
你应该在开车前给车上保险。
表示投保以防某种风险。
We insured our house against fire and flood.
我们给房子投保了火灾和洪水险。
不及物用法，常后接against。
Many people insure against theft.
许多人投保以防盗窃。
意同ensure，后接that从句。
Please insure that all doors are locked.
请确保所有门都锁好。
ensure侧重确保结果，insure侧重为风险投保
assure强调消除疑虑，insure强调经济保障
cover是保险术语，与insure在保险意义上可互换
grammar · medium
易错句子Please insure that the door is locked before leaving.
正确表达Please ensure that the door is locked before leaving.
当表示“确保”时，应用“ensure”而非“insure”，后者主要用于保险语境，避免语义混淆。
grammar · medium
易错句子I insured my house for fire damage.
正确表达I insured my house against fire damage.
表示“投保以防某种风险”时，介词应用“against”而非“for”；“for”后通常接保险金额。
insure侧重保险，ensure侧重确保某事发生，后面常接that从句或名词。
assure用于消除疑虑，向某人保证，通常跟人作宾语；insure不用于此义。
为…投保以防
You should insure your luggage against loss or theft.
你应该为行李投保以防丢失或被盗。
为汽车投保
He insured his car with a reputable company.
他在一家信誉良好的公司为他的汽车投保。
购买人寿保险
She decided to insure her life for a large sum.
她决定购买高额人寿保险。
为财产投保
It is wise to insure your property against fire.
为财产投保火险是明智的。
确保
Please insure that all windows are locked before leaving.
请确保离开前所有窗户都已锁好。
投保以防
You should insure your house against fire.
你应该为你的房子投保火灾险。
为自己投保以防
He insured himself against loss of income.
他为自己投保以防收入损失。
确保未来
Getting a good education will insure your future.
接受良好教育将确保你的未来。
确保国内安宁
From the Preamble to the United States Constitution. Here 'insure' means 'ensure'.
出自美国宪法序言。此处的'insure'意为'确保'。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.