concerned about／over／for
giving one's attention to；worrying about关心；担心；挂念
He is very much concerned about his son's future．他非常关心儿子的前途。
He was genuinely concerned over our financial difficulties．他真心实意地关心我们的经济困难。
They are all concerned for the boy's safety．他们都很担心孩子的安全。