concerncon•cern /kən'sɜːn/

vt 不用被动

1. 与…有关系，涉及；影响

• The environmental problems concern us all. 环境问题关系到我们每一个人。

• Don't interfere in things that don't concern you. 不要干预与你无关的事。

2. 关心；忙于

• She concerned herself with the housework. 她忙于家务。

• Parents concerned themselves in school affairs. 父母们都关心学校教育的事。

• More and more people in our country are concerning themselves with environmental protection. 在我国，越来越多的人关心环境保护。

3. 挂念，担忧

• You needn't concern yourself about the future. 你没有必要为前途担忧。

to whom it may concern [用在正式信件的开头] 敬启者