be concerned about

• 关心； 挂念

be concerned about的用法和样例：

例句

1. He was very concerned about her.
   他对她非常关心。
2. There's nothing for you to be concerned about.
   没有什么需要你来关心的事。
3. He is full of concern about his sick mother.
   他非常挂念他有病的母亲。
4. Mothers typically worry about their children.
   母亲总爱挂念自己的子女。