1. I have a concern about the safety of our new product.
我对我们的新产品的安全性有顾虑。

2. Her health has been a growing concern for her family.
她的健康状况一直是家人关注的焦点。

3. It is important to address any concerns that employees may have.
重要的是要解决员工可能有的任何担忧。

4. The environmental impact of the project is a major concern for local residents.
该项目对环境的影响是当地居民关注的主要问题。

5. The teacher expressed concern about the student's falling grades.
老师对学生的成绩下降表示担忧。

6. The company CEO assured investors that their concerns would be addressed promptly.
公司首席执行官向投资者保证他们的关切会得到及时解决。