n. something that interests you because it is important or affects you
n. an anxious feeling
n. a feeling of sympathy for someone or something
n. something or someone that causes anxiety; a source of unhappiness
n. 关心, 忧虑
vt. 与...有关, 使担心, 使挂念
1. I am concerned about your health.
我对你的健康感到担忧。
2. The teacher expressed concern for the students' grades.
老师对学生的成绩表示担忧。
3. There is a growing concern about climate change.
人们对气候变化的担忧日益增加。