adj.擔憂的；關心的；關切的；有關的

Please don't be concerned about me. 請不要為我擔心。

Concerned parents held a meeting. 憂心忡忡的家長們開了一次會。

We are all concerned about his health. 我們都非常關心他的健康。

There is a concerned look on his face. 他臉上露出關切的表情。

He was concerned in the crime. 他與那起罪案有牽連。

Where money is concerned, I always try to be very careful. 在有關錢的問題上，我總是盡量小心謹慎。

adj.不關心的；不憂慮的