adj. 相关的， 关于（某个主题）的；担心的，焦急的；关注的，感兴趣的；关心的，挂念的
v. 有关，关于；涉及，影响；使忧虑，使担心（concern 的过去式和过去分词形式）
concerned with关心；涉及；忙于；与…有关
concerned about关心；担忧
1.The individuals concerned have some explaining to do.
涉及到的每个人都要作出一些解释。
2.As far as I am concerned, you can do what you like.
就我而言，你想干什么就可以干什么。
3.The soldiers concerned were unarmed at the time.
有关士兵当时未携带武器。
4.We are chiefly concerned with improving educational standards.
我们主要关心的是提高教育水平。
5.We are concerned about the child's welfare.
我们关注那个孩子的福祉。
6.They are seriously concerned about security.
他们非常关注安全问题。