assure和ensure的区别:含义不同、用法不同、侧重点不同
一、含义不同
assure
vt. 使确信;使放心
ensure
vt. 担保;保证;使安全;确保
二、用法不同
assure
assure是及物动词,可接名词或代词(不可接that从句)作简单宾语。
assure可接双宾语,这时表物的宾语须由介词of引出; 表人的宾语如置于表物的宾语后,则须由介词to(而非for)引出,如置于表物的宾语之前,则不必搭配介词。
assure后接表物的宾语时,可由that从句或动词不定式充当。
The news assured mother.
这消息使母亲放心了。
ensure
ensure的基本意思是指某人向其他人作出口头或书面上的承诺,强调使人确信某个行为或力量的后果会肯定地、不可避免地、有把握地出现。
ensure既可用作及物动词,也可用作不及物动词。用作及物动词时,可接名词和that从句作宾语,that从句可用陈述语气,也可用虚拟语气。ensure也可接双宾语,其间接宾语可以转换为介词for的宾语。用作不及物动词时,后可接介词from〔against〕,表示“保护某人不受危害”。
If you want to ensure that you catch the plane, take a taxi.
你要想确保能赶上那班飞机,就坐出租车去吧。
三、侧重点不同
assure
意思是“保证”,assure通常指消除某人思想上的怀疑或担心。
ensure
意思是“保证”,ensure强调使人确信某个行为或力量产生的后果。
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assure
vt.
1. 向...保证,担保[(+of)][O5]
I can assure you of the reliability of the information.
我向你保证这消息可靠。
The captain of the ship assured the passengers that there was no danger.
船长向乘客保证没有危险。
2. 使确信,使放心[(+of)][O5]
We assured our clients of an enjoyable holiday.
我们使游客确信准能过一个愉快的假期。
3. (后接oneself)使弄清楚,使确定[O5]
They assured themselves that the bridge was safe before crossing it.
他们直到弄清楚那座桥确实安全后才通过。
4. 确保,保障
Her future was assured.
她的未来是有保障的。
5. 保证给予[O1]
ensure
vt.
1. 保证;担保[O9][+that][+v-ing]
I can't ensure his being on time.
我不能保证他的准时。
I can't ensure that he will be there on time.
我不能担保他会及时到那儿。
This medicine will ensure you a good night's sleep.
这药将保证你一晚睡眠良好。
2. 使安全,保护[Q][(+from/against)]
These are safety devices to ensure workers against accidents.
这些安全设施是为了保护工人不出事故。
[ 过去式assured 过去分词assured 现在分词assuring ]
例句与用法
Jack assured himself that they did as they were told.
杰克确信他们是按照要求的那样去干的。
I can assure you, my friend.
我能向你保证,我的朋友。
I assure you that would never happen again.
我保证这种事情再也不会发生了。
ensure [in'ʃuə] vt. 保证,确保;使安全
[ 过去式ensured 过去分词ensured 现在分词ensuring ]
例句与用法
If you want to ensure that you catch the plane,take a taxi.
如果你想确保赶上航班,那就叫辆出租汽车。
I read the report of this meeting again to ensure that I had understood it correctly.
我再次地阅读有关这次会面的那份报告,以确保我的理解正确无误。
To ensure that different types of computers can work together, programmers write their programs using standard protocols.
为了确保不同类型的电脑能够一起工作,程序员用标准协议来写程序。
eg.I can assure you of his honesty.
(n.)---assurance 自信,把握;保证;断言
ensure (v.)---保证,确保;保护
eg.ensure sb.against/from danger保护使免受危险
区别:assure 指使人放心,消除其怀疑或犹豫等,如:I assure you that the medicine cannot harm you.
ensure 表示设法使某件事的结果得到保证,如:Come early to ensure getting a good seat.
assure 让...放心,使...深信
To ensure the child's quick recovery, the doctor gave him an injection. 为了确保孩子很快地恢复,大夫给他打了针。
My words assured her. 我的话使她放心了。
assure 还可作为专业术语“对...进行保险”(尤指人寿保险)