ascertain
gb/ˌæsɚtˈeɪn/ us/ˌæsɚtˈeɪn/
B2
英语
~ 5000
megállapít, kiderít, megbizonyosodik
动词
B2
FORMAL
1
用法模式：
to ascertain [something]
The police are working to ascertain the cause of the accident.
A rendőrség azon dolgozik, hogy megállapítsa a baleset okát.
We need to ascertain whether she will be available for the meeting.
Ki kell derítenünk, hogy ráér-e a megbeszélésre.
The study aims to ascertain the effects of the new drug.
He tried to ascertain the truth by interviewing all witnesses.
The inspector will ascertain if all safety measures are in place.
学习者例句
I called to ascertain the time of the meeting.
Azért telefonáltam, hogy megtudjam a megbeszélés időpontját.
The doctor will ascertain if you have an infection.
Az orvos meg fogja állapítani, hogy van-e fertőzésed.
They want to ascertain the reason for the delay.
We must ascertain if it is safe to go inside.
常见错误：
Learners sometimes confuse 'ascertain' with 'assume' or 'guess', but 'ascertain' means to be sure after checking.
含义
Find out with certainty
搭配
ascertain the facts
|ascertain the cause
|ascertain the truth
|ascertain whether
|ascertain the extent
近义词
determine (Often interchangeable, but 'determine' is slightly broader and may refer to deciding rather than just finding out.)
|
verify ('Verify' emphasizes confirming information already believed or suspected.)
反义词
guess (Guessing means forming an opinion without certain knowledge, the opposite of ascertaining.)
|
assume (To take something as true without proof, which contrasts with confirming it through evidence.)
主题
communication
|research
|investigation
|education
|core_vocabulary
释义
To find out or learn something for sure after trying to get the facts.
To discover or determine something for sure, often by making an effort to get the necessary information.
语法
词典原形
ascertain
IPA
GB/ˌæsɚtˈeɪn/
US/ˌæsɚtˈeɪn/
音节与重音
as - cer - tain （3 个音节）
Stress on 2nd syllable (cer)
词形变化
Verb
- Base: ascertain
- 3rd Person Singular: ascertains
- Present Participle: ascertaining
- Past: ascertained
词族
Forms
ascertains
verb
ascertaining
verb
ascertained
verb
Negative and opposite forms
uncertain
adjective B1
uncertainty
noun B1
Advanced or less common
ascertainable
adjective
ascertainment
noun
相关表达
ascertain the cause
1/ˌæsɚtˈeɪn ðə kˈɔz/
fixed phrase
formal
Find out why something happened
To find out the reason why something happened.
例句
- Engineers are trying to ascertain the cause of the power outage.
- We must ascertain the cause before we can fix the problem.
ascertain the facts
1/ˌæsɚtˈeɪn ðə fˈækts/
fixed phrase
formal
Find out the true details
To learn what is really true about something by checking carefully.
例句
- Before making a decision, we must ascertain the facts.
- The lawyer worked hard to ascertain the facts of the case.
ascertain the truth
1/ˌæsɚtˈeɪn ðə tɹˈuθ/
fixed phrase
formal
Find out what is true
To find out what is really true about something.
例句
- They interviewed several witnesses to ascertain the truth.
- It took months to ascertain the truth about what happened.