1
ensure + noun phrase
We must ensure the safety of all passengers.
我们必须确保所有乘客的安全。
确保；保证
ensured — past of ensure
先理解核心含义，再看它在真实句子里的用法。
确保；保证
to make sure that something happens or is done
We must ensure the safety of all passengers.
我们必须确保所有乘客的安全。
确保或确定某事(通常是某个未来事件或条件)
To make sure or certain of something (usually some future event or condition).
ensure
Base
原形
ensures
3rd person
第三人称单数
ensuring
-ing
现在分词
ensured
Past
过去式
ensured
Past participle
过去分词
We ensure the quality of our products.
我们确保产品的质量。
She ensured that all doors were locked.
她确保所有的门都锁好了。
They have ensured the safety of the building.
他们已经确保了建筑的安全。
规则动词
Please ensure that all the lights are turned off before you leave.
离开前请确保所有的灯都关掉。
She ensured the report was accurate by checking every number twice.
她通过把每个数字核对两遍来确保报告准确无误。
Regular exercise helps ensure good health in old age.
经常锻炼有助于确保老年时的健康。
We must ensure the safety of all passengers.
我们必须确保所有乘客的安全。
Please ensure that the door is locked.
请确保门是锁着的。
常用被动式：be ensured against
Insurance can ensure against financial loss.
保险可以确保免受经济损失。
Not this
You should insure your success.
Use this
You should ensure your success.
中国学习者常混淆'insure'和'ensure'：'insure'主要用于保险（为...投保），而'ensure'表示确保某事发生。此处应为'ensure'。
Not this
I want to ensure you to come to the party.
Use this
I want to ensure that you come to the party.
'ensure'是及物动词，但不能接宾语加不定式（ensure sb to do），正确结构是'ensure + that从句'或'ensure + 名词'。应改为'ensure that you come'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
确保……
Please ensure that all doors are locked before leaving.
请确保离开前所有门都锁好。
确保安全
The company has taken steps to ensure safety in the workplace.
公司已采取措施确保工作场所安全。
确保成功
Proper planning is essential to ensure success.
适当的规划对于确保成功至关重要。
确保合规
The new regulations require firms to ensure compliance with data protection laws.
新规定要求公司确保遵守数据保护法。
为确保和平，你必须准备战争。
The general said, 'To ensure peace, you must prepare for war.'
将军说：'为确保和平，你必须准备战争。'
Use ensured naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
en-（使）+ sure（确定）→ 确保。别与insure（投保险）混淆。
通常用于正式或书面语境，表示确保某事发生或得到保证。在日常口语中也较为常见，但多见于较严肃的场合。
通常不用于进行时，常接名词或that从句作为宾语
Dictionary facts from ECDICT, WIKTIONARY.