He was very concerned about her(他对她非常关心).The boy's poor health concerned his parents,这一句我虽然知道意思是那男孩健康状况不佳,使他的父母亲忧虑,但按照第一句He was very concerned about her的翻译顺序来翻译就是:男子的不好的健康担心他的父母.我搞不请哪时顺着翻译,哪时逆着翻译啊,谢谢!!