一、详细释义：
adj.
能谅解的，宽容的，通情达理的
例句：
You are a very understanding person, and often you are called on to lend a sympathetic ear.
你是个很体贴的人，而且你经常被叫去听他人诉苦。
例句：
Her boss, who was very understanding, gave her time off.
她的老板很通情达理，准了她的假。
了解的，聪明的，有理解力的
例句：
First of all, have a historical perspective, we will be more understanding and inclusive.
首先有了历史的观点，我们就会有更强的理解力和包容性。
例句：
Even the most understanding person will not always be able to love you the way your personality wants to be loved.
即便是最聪明的人也不见得总是能用你个人所要求的方式为你所爱。
n.
谅解，理解
例句：
Love is the byname of understanding and care.
爱是理解和体贴的别名。
例句：
We would like to thank them for their patience and understanding.
我们要感谢他们的耐心和理解。
理解力；知识
例句：
Such matters transcend human understanding.
这些事情是人类所无法理解的。
例句：
A knowledge of economics is fundamental to any understanding of this problem.
经济知识对于理解这个问题是至关重要的。
认识，了解
例句：
The exchange of goodwill missions greatly contributes to a better understanding between the two countries.
互派友好代表团能大大增进两国的相互了解。
例句：
I hope we can increase our mutual cooperation and understanding.
我希望我们能增进彼此的合作与了解。
协议
例句：
We have reached an understanding with them.
我们和他们达成了协议。
例句：
We had not set a date for marriage but there was an understanding between us.
我们还没有确定结婚的日子，不过我们对此有一致的想法。
v.
understand的ing形式
二、词义辨析：
agreement,contract,treaty,convention,bargain,understanding,accord
这些名词均含“协定，协议，契约，合同”之意。 agreement普通用词，含义最确定，泛指个人、团体或国家之间取得一致而达成的任何协议、协定或合同、契约等，可以是口头的，也可以是书面的。 contract侧重指双方或多方订立的具有法律效力的正式的书面合同或契约。 treaty指国家之间经外交谈判后依照国际法签订的正式条约。 convention比treaty更专门化，但不及treaty正式。也可指国家之间就有关事情签订的条约。 bargain通常指商业交往中的购销合同。 understanding指不具约束力的非正式的协议。 accord多指国际间的非正式协议。
三、相关短语：
mutual understanding
【法】 互相谅解
四、参考例句：
He has an explicit understanding of this.
他对这个了解得很清晰。
Perfect understanding will sometimes almost extinguish pleasure.
完全的理解有时几乎会消灭乐趣。
She shows a lamentable lack of understanding.
她显得缺乏理解能力，实在令人遗憾。
We have reached an understanding with them.
我们和他们达成了协议。
Mutual understanding is essential to friendship.
相互理解对友谊至关重要。
This story is beyond my understanding.
我理解不了这个故事。
Helpful explanations for understanding the video.
帮助理解视频的注解。
Understanding this early in life is critical.
年轻时，清楚这一点至关重要。
Love is mutual understanding and support.
爱是人与人之间的相互理解和支持。
Understanding is the basis for easier memorization.
理解着记比较容易记住。