concern about

基本解释

Some teachers express concern about the trend.
部分教師對這種趨勢表示擔憂。
I believe an understanding and concern about these problems helped motivate this World Expo to choose the theme "Better City, Better Life.
我相信，正是基於對這些問題的認識和憂慮，上海世博會最終將主題確定於“城市，讓生活更美好”。
The drumbeat of concern about childhood obesity has grown louder in recent years, with much new research and more and more clinical trials and interventions.
近些年來，隨著新研究的發現和越來越多的臨牀試騐和介入，關於兒童肥胖的關心的鼓聲變得越發響亮。

Another study found that almost half of American workers expressed concern about their ability to provide for immediate family needs.
In an effort to get more to keep the economy from collapsing at a time when at a time of great concern about the structure of the financial system.
在一種得到更多的努力中,預防經濟在一種時期中崩潰，這個時期是,人們都很擔憂,金融系統的結搆。
耶魯公開課 - 金融市場課程節選
I'm concern about our safety "Maybe we should go some place else."
我覺得這兒不安全，“要不然換個地方吧。”
Let's 課堂 - SpeakingMax英語口語達人

There was a lot of concern about Americans still on the ground potentially being held hostage.
WHITEHOUSE: Press Briefing