rational/reasonable/sensible.导航词义：合理的

1. rational:adj. 合理的，理智的.指想法、决定等基于理性判断的，也指人能冷静思考的。

The project leader needs to be fully informed so he can make a rational decision.

项目负责人需要充分了解之后才可以作出合理的决定。

What he said sounds like a rational explanation.

他说的话听起来像是合理的解释。

She looks more rational now.

她现在看上去更加理智了。

2. reasonable:adj. 有道理的，合情理的.指说法、请求、问题、报价等合情合理的，侧重公平性和合理性。

Reasonable requests won't be turned down.

合情合理的请求是不会被拒绝的。

Don't you think it is a perfectly reasonable question?

你不认为这个问题问得很有道理吗？

She made us a reasonable offer for the house.

她给我们开出的房价公平合理。

3. sensible:adj. 明智的，合理的.指人及行为合理、务实且表现出良好判断力的。

What I need is sensible advice rather than useless complaints.

我需要的是合理的建议而不是无用的抱怨。

It is sensible to keep a good relationship with your roommates.

和室友保持良好关系是明智的。

全部

1·A luggage rack is a sensible option.

行李架是个明智的选择。《柯林斯英汉双解大词典》

2·It might be sensible to get a lawyer.

找个律师可能会是明智的。《柯林斯英汉双解大词典》

3·She was a sensible girl and did not panic.

她是个理智的女孩子，并没有惊慌失措。《柯林斯英汉双解大词典》

4·The former option would be much more sensible.

前一种选择要明智得多。《牛津词典》

5·Actually, it would be much more sensible to do it later.

事实上，以后再办这件事可能要明智得多。《牛津词典》

6·No sensible person would put his money in a bank he knew to be unsound.

一个理智的人不会把钱存在一个他明知不可靠的银行。《柯林斯英汉双解大词典》

7·What a very sensible woman!

多么理智的女人！

8·We'll MAKE him be a sensible Toad.

我们要让他变成一个理智的托德。

9·Is it sensible to do this?

这样做是否明智？

10·WE'LL teach him to be a sensible Toad!

我们要教教他，让他变成一个明智的托德！

明智

1·The former option would be much more sensible.

前一种选择要明智得多。《牛津词典》

2·Actually, it would be much more sensible to do it later.

事实上，以后再办这件事可能要明智得多。《牛津词典》

3·Asking for help is a sensible and mature thing to do.

寻求帮助是一种明智并且成熟的做法。

4·A few sensible federal measures could put the country back on the right path.

联邦政府一些明智的措施可以让国家回到正确的道路上。

5·It is sensible to go to school or go to work by subway instead of by car in the morning.

早上上学或上班的时候搭地铁而不坐车是明智的。

懂事

1·The time to tell me, unreasonable age, the sensible.

时间告诉我，无理取闹的年龄过了，该懂事了。

2·A non-Sixi Floess Harry and Ginny's second child, a boy lucky sensible.

阿不思·西弗勒斯哈利和金妮的第二个孩子男孩幸运懂事。

3·The time to tell us, unreasonable age, the sensible.

时间告诉我们，无理取闹的年龄过了，该懂事了。

4·Disguises not sadly, disguises me to be very how strong, I do not have to be so sensible and to be good.

假装不悲伤，假装我何以很坚强，我没有那么懂事和善良。

5·As a child is not sensible, always persist one's old ways of doing things against the father taught, until lose is suddenly enlighted father is right.

孩提时的不懂事，总是我行我素的做着违背父亲教导的事，等到吃亏了才恍然大悟父亲是对的。

通情达理的

1·You should be sensible and not make excessive demands.

你应该通情达理，不要作过分要求。

2·You should be sensible and not make exorbitant demands.

你应该通情达理，不要作过分的要求。

3·We are all sensible people, we discuss the tone and use.

大家都是通情达理的人，我们且用商量的口吻。

4·Mr. Collins, to be sure, was neither sensible nor agreeable.

柯林斯先生既不通情达理，又不讨人喜欢。

5·Lady Elliot HAD been an excellent woman, sensible and amiable.

艾略特夫人是位难得的妇女，通情达理而又和蔼可亲。

合情合理的

1·It all sounds sensible, but there is a complication.

一切听起来都合情合理，但有一个难题。

2·Offshore drilling seems like a sensible way to obtain a very handy product.Extra safeguards may be needed.

近岸钻井似乎是一个合情合理的可以方便地得到产品的方法，但需要特殊的保卫措施。

3·Offshore drilling seems like a sensible way to obtain a very handy product. Extra safeguards may be needed.

近岸钻井似乎是一个合情合理的可以方便地得到产品的方法，但需要特殊的保卫措施。

4·They’re frugal, hard-working, and sensible.

他们都很节约、勤奋且做事合情合理。

5·It would seem more sensible to apply standards flexibly rather than rigidly.

灵活地运用标准比死守标准会显得更合情合理。

合情理的

1·There are ‘sensible’, true adaptations (Kenneth Branagh’s Henry V), funky updated versions (10 Things I Hate About You), and more experimental interpretations.

需要“合情理的”、真实的改编（肯尼思·布莱纳格的《亨利五世》），符合当下潮流的形式（《我恨你的十件事》），和更多的实验性的表演。

2·Some authors argue that it is a mistake to give people tests to measure their information levels. Do you agree? If so, what is a more sensible method?

有些作者认为要人们参加“测验”来量度他们的讯息水平是不对的。你是否同意？如果同意，那一个是比较合情理的办法？

明白事理的

1·Parents can use this opportunity through stories to explain what happened during the day and let the children sensible.

父母大可利用这个机会，通过讲故事以及讲解白天发生的事情，让孩子明白事理。

(1)sensible heat显热；焓

(1)sensible of察觉；了解