ensure
/ɪnˈʃʊə(r)/ (bre, ipa) · /ɪnˈʃʊr/ (ame, ipa) · /in-ˈshu̇r/ (ame, mw)
ensure — verb
- ensure,present simple I / you / we / they
- ensurepresent simple I / you / we / they
- ensures,he / she / it
- ensureshe / she / it
- ensured,past simple
- ensuredpast simple
- ensuring,-ing form
- ensuring-ing form
1. to take action so that a particular result is achieved or a situation definitely
to take action so that a particular result is achieved or a situation definitely happens, especially by preventing possible problems
Eli checked the windows twice to ensure they were all locked before leaving.
ensure + that-clause (that omitted)
A backup generator was installed to ensure the factory could keep running during blackouts.
passive to highlight purpose
Before the hike, Kasia packed extra snacks to ensure no one went hungry.
The scholarship program ensures that students from low-income backgrounds can attend college.
Meera read the contract carefully to ensure she understood all the terms before signing.
- guarantee
Stronger, often involves a formal or explicit promise; 'ensure' focuses on taking practical steps rather than making a promise.
- make sure
More informal and conversational; used in everyday speech where 'ensure' sounds more formal.
- certify
Formal and official; implies a written or documented confirmation rather than a practical action.
- neglect
Means to fail to take care of something, which can lead to an uncertain or negative outcome.
- jeopardize
Means to put something at risk, the opposite of making it certain and safe.
文法句型
ensure + noun phrase
ensure + that-clause
ensure (that) + clause (informal, that omitted)
用法筆記
Frequently followed by a that-clause or a noun phrase specifying the outcome. The subject is typically a person, an organization, or a precautionary measure. Unlike 'assure', 'ensure' takes a direct object that refers to an event or situation, not a person.