concern

vt. 涉及，關係到；使擔心

n. 關係；關心；關心的事；憂慮

名詞 ， 擔憂； 令人擔憂的事

例：

The group has expressed concern about reports of political violence in Africa.

His concern was that people would know that he was responsible.

他擔憂的是人們會知道他應該負責任。

名詞 關心

動詞 有關於

The bulk of the book concerns Sandy"s two middle-aged children.

這本書的主要部分講的是桑迪的兩個中年孩子。

動詞，(情況、事件、活動等) 與…有關

It was just a little unfinished business from my past, and it doesn"t concern you at all.

這只是我過去沒有了結的一件小事，完全跟你沒關。

動詞 關心

I didn"t concern myself with politics. 我不關心政治