understand的音标是[ˌʌndərˈstænd]，中文意思是理解、懂、明了。

understand作为动词，主要含义包括：
1 理解、领会某事的意思或原因
2 了解、熟悉某种情况或运作方式
3 谅解、体谅他人的感受
4 据说、相信

常用短语搭配：
come to understand 逐渐理解
make oneself understood 使别人理解自己的意思
give someone to understand 使某人相信

相应英文带中文翻译的例句：
1 I fully understand your concerns about this matter
我完全理解你对此事的担忧

2 Do you understand the instructions clearly
你清楚地理解这些说明了吗

3 It is important to understand the local customs when traveling abroad
出国旅行时了解当地风俗很重要

4 She finally came to understand why he made that decision
她终于明白了为什么他做出那个决定

5 I dont understand how this machine works
我不懂这台机器是如何工作的

6 He tried to make himself understood in broken English
他试图用蹩脚的英语表达自己的意思

7 We understand that you are busy but we need your help
我们理解你很忙但我们需要你的帮助

8 It is generally understood that smoking is harmful to health
人们普遍认为吸烟对健康有害

9 After the explanation I began to understand the complex theory
经过解释我开始理解这个复杂理论

10 A good teacher should understand students learning difficulties
好老师应该理解学生的学习困难