assurancenoun
保证；担保
a statement that sth will certainly be true or will certainly happen, particularly when there has been doubt about it
They called for assurances that the government is committed to its education policy.
他们要求保证政府切实执行其教育方针。
Unemployment seems to be rising, despite repeated assurances to the contrary .
尽管反复担保减少失业，失业率看来却在上升。
自信
belief in your own abilities or strengths
There was an air of easy assurance and calm about him.
他表现出从容自信和冷静。
人寿保险
a type of insurance in which money is paid out when sb dies or after an agreed period of time
a life assurance company
人寿保险公司
assurance
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1
N-VAR 保证；确保
If you give someone an assurance that something is true or will happen, you say that it is definitely true or will definitely happen, in order to make them feel less worried.He would like an assurance that other forces will not move into the territory that his forces vacate...
他想确保其他势力不会在他的军队撤离后进入这个地区。
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2
N-UNCOUNT 信心；把握
If you do something with assurance, you do it with a feeling of confidence and certainty.Masur led the orchestra with assurance...
马苏尔神定气若地指挥乐团。
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3
N-UNCOUNT （人寿）保险
Assurance is insurance that provides cover in the event of death....endowment assurance.
养老保险
noun
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1
- freedom from doubt;belief in yourself and your abilities
- his assurance in his superiority did not make him popular
- after that failure he lost his confidence
- she spoke with authority
- Synonym: self-assurance confidence self-confidence authority sureness
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2
- a statement intended to inspire confidence
- the President's assurances were not respected
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3
- a binding commitment to do or give or refrain from something
- an assurance of help when needed
- signed a pledge never to reveal the secret
- Synonym: pledge
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4
- a British term for some kinds of insurance
数据来源：WordNet
普通用词，可用于一切保险。
fire/health/travel insurance
火险/健康险/旅游险
He is an insurance broker.
他是一名保险经纪人。
Does she have insurance on her house?
她买住房保险了吗？
尤指公开或正式作出的保证。
The local government made a pledge to not compromise with terrorists.
当地政府保证决不向恐怖分子妥协。
Has he fulfilled his election pledge?
他履行竞选时的承诺了吗？
指强调某事一定会发生或肯定某事真实性的保证，尤为减轻他人的忧虑。
After my repeated assurances, she looked less worried.
经过我再三保证，她看起来不那么紧张了。
The tailor gave an assurance that her dress would be ready by Friday.
裁缝保证周五之前把她的裙子做好。
一般指对一定会做某事或某事肯定会发生的正式承诺。
The manager has given a guarantee that there will be no redundancies.
经理已经保证不会裁员。
Actually, there's no guarantee of success even if you can get the money.
实际上，即使你能得到那笔资金，也不一定会成功。