assure，ensure，insure有什么区别

assure，ensure，insure有什么区别

assure， ensure，insure都含有一定的"保证"之意

　　assure 表示向某人保证某事一定会发生(内含有让某人放心之意，以消除疑虑) assure sb. of sth /assure sb. that...
　　He assured us of his ability to solve the problem.
　　他向我们保证他有能力解决这个问题。
　　The witness assured the judge that he was telling the truth.

　　ensure "确定，保证" 确保某种行为一定会发生 ensure sth. /ensure that..
　　I will ensure that the car arrives by six o'clock.
　　我保证汽车六点钟以前到。
　　This medicine will ensure you a good night's sleep.
　　这药能保证你睡一夜好觉。

　　insure 意思是为防不测向保险公司付钱投保
　　My house is insured against fire.
　　我的房子保了火险。

你好， 这三个词在说明某事物最终会有某结果时是通用的。 assure强调使某人放心，常用结构assure sb of sth，或assure sb that：they tried to assure him of their willingness to work.  他们尽力使他相信他们乐意工作。 ensure暗示某种虚拟的保证，保证某事发生的可能性：the government has ensured the safety of the refugees.政府已答应会确保人质的安全。 insure强调事先采取必要措施，常用于贸易、保险中：they refused to insure us because they said we're too old.他们不给我们上保险，因为他们说我们年龄太大了。