concern about

基本解释

Some teachers express concern about the trend.
部分教师对这种趋势表示担忧。
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，正是基于对这些问题的认识和忧虑，上海世博会最终将主题确定于“城市，让生活更美好”。
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.
近些年来，随着新研究的发现和越来越多的临床试验和介入，关于儿童肥胖的关心的鼓声变得越发响亮。

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.
在一种得到更多的努力中,预防经济在一种时期中崩溃，这个时期是,人们都很担忧,金融系统的结构。
耶鲁公开课 - 金融市场课程节选
I'm concern about our safety "Maybe we should go some place else."
我觉得这儿不安全，“要不然换个地方吧。”
Let's 课堂 - SpeakingMax英语口语达人

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