1. 保证，确保，担保
2. 使确定，使弄清楚
3. 使确信，使放心，使安心，让...放心
4. 保证给予，保障
5. 向…保证
6. 确告，郑重宣告
7. 给...保险， 对…进行保险
8. 向...担保，给...打包票，一力担保
9. 弄清，查明
10. 使有信心；鼓励

1. vt. 使相信; 使确信 try to cause (sb) to believe or trust in sth; make (sb or oneself) sure or certain
2. vt. 保险 insure, especially against death

1. make certain of;

   "This nest egg will ensure a nice retirement for us"
   "Preparation will guarantee success!"
   

2. inform positively and with certainty and confidence;

   "I tell you that man is a crook!"
   

3. assure somebody of the truth of something with the intention of giving the listener confidence;

   "I assured him that traveling to Cambodia was safe"
   

4. be careful or certain to do something; make certain of something;

   "He verified that the valves were closed"
   "See that the curtains are closed"
   "control the quality of the product"
   

5. cause to feel sure; give reassurance to;

   "The airline tried to reassure the customers that the planes were safe"
   

6. make a promise or commitment

1.向…保证；使…确信；使…放心
If youassure someonethat something is true or will happen, you tell them that it is definitely true or will definitely happen, often in order to make them less worried.

e.g. He hastened toassure me that there was nothing traumatic to report...
他忙不迭地向我保证，并没有什么悲惨的事要诉说。
e.g. 'Are you sure the raft is safe?' she asked anxiously. 'Couldn't be safer,' Max assured her confidently...
“你确定木筏安全吗？”她不安地问道。“再安全不过了，”马克斯信心十足地向她保证道。

2.保证，确保（得到）
Toassure someoneof something means to make certain that they will get it.

e.g. Last night's resounding victory over Birmingham City has virtually assured them of promotion...
昨晚大胜伯明翰城队实际上已确保他们能够晋级。
e.g. Ways must be found toassure our children a decent start in life.
必须想办法保证我们的孩子有一个不错的人生开端。

3.我可以向你保证；相信我
You use phrases such asI can assure you orlet me assure you to emphasize the truth of what you are saying.

e.g. I canassure you that the animals are well cared for...
我可以向你保证动物们得到了精心照顾。
e.g. This may sound trivial, but Iassure you it is quite important!...
这听上去也许微不足道，但是，相信我，它十分重要！

1.

1. 确信：高老庄主向唐僧控告责备(accuse)猪八戒(of)娶她女儿的事,唐僧赞成并同意(approve of)插手这件事情,并使高老庄主确信(assure)他能做到(of)这件事,高老庄主说一定要当心(beware of).

2. 确告,保证：assume 假定,假装 |assure 确告,保证 | attach 系,附加

3. 保证：adjust调整;使适应 |assure 保证 | variable多变的,变化异常的