concerned for/about sth/that …表示担心的；烦恼的；忧虑的 例：Conccerned parentss held a meeting.忧心忡忡的家长们开了一次家长会. We are all concerned for her safety.我们都为她的安全担心. I'm concerned that thay may have got lost.我担心他们可能迷路了. be concerned with sth …表示与某事物有关；涉涉及某事物 例：Her lastest documentary is concerned with youth unemployment.她最近的一部纪录片是关于青年人失业问题. 特地查了牛津字典,希望可以帮到你.
