1. 忧虑;担心
    Concern is worry about a situation.

    e.g. The group has expressed concern about reports of political violence in Africa...
           该团体对有关非洲政治暴力的报道表示关切。
    e.g. The move follows growing public concern over the spread of the disease...
           针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。

2. 使担忧;使心烦
    If something concerns you, it worries you.

concern

    e.g. The growing number of people seeking refuge in Thailand is beginning to concern Western aid agencies...
           到泰国寻求庇护的人日益增多，这开始引起了西方援助机构的不安。
    e.g. It concerned her that Bess was developing a crush on Max.
           贝丝迷上了马克斯，这让她很担心。

3. 令人担忧的事实(或情况)
    A concern is a fact or situation that worries you.

    e.g. His concern was that people would know that he was responsible...
           他担心大家会知道是他的责任。
    e.g. Unemployment was the electorate's main concern.
           选民关心的主要是失业问题。

4. 关心;关切
    Someone's concern with something is their feeling that it is important.

    e.g. ...a story that illustrates how dangerous excessive concern with safety can be.
           一个说明过分关心安全问题会招致何等麻烦的故事

5. (对…)重要的事;关心的事
    Someone's concerns are the things that they consider to be important.

    e.g. Feminism must address issues beyond the concerns of middle-class whites.
           女权主义解决的问题不能仅仅局限于中产阶级白人妇女所关心的问题。

6. 关心;关怀;关爱
    Concern for someone is a feeling that you want them to be happy, safe, and well. If you do something out of concern for someone, you do it because you want them to be happy, safe, and well.

    e.g. Without her care and concern, he had no chance at all...
           若非她的关心和照顾，他根本没有机会。
    e.g. He had only gone along out of concern for his two grandsons.
           他完全是出于对两个孙子的关心才继续这样做。

7. 关心;关注
    If you concern yourself with something, you give it attention because you think that it is important.

concern

    e.g. I didn't concern myself with politics...
           我不关心政治。
    e.g. He would concern himself solely with the plight of the hostages.
           他唯一关心的是人质的危险处境。

8. 关于;涉及
    If something such as a book or a piece of information concerns a particular subject, it is about that subject.

    e.g. The bulk of the book concerns Sandy's two middle-aged children...
           书中主要描写桑迪的两个已到中年的孩子。
    e.g. Chapter 2 concerns itself with the methodological difficulties.
           第二章讲的是研究方法上的难点。

9. (情况、事件或活动)对…有影响，与…相关
      If a situation, event, or activity concerns you, it affects or involves you.

      e.g. It was just a little unfinished business from my past, and it doesn't concern you at all.
             这只是我过去的一点未了之事，与你没有任何关系。

10. (某人)负责的事，分内之事
      If a situation or problem is your concern, it is something that you have a duty or responsibility to be involved with.

      e.g. The technical aspects were the concern of the Army...
             技术方面由陆军负责。
      e.g. I would be glad to get rid of them myself. But that is not our concern.
             如果能亲自动手摆脱他们我会非常高兴，但那不是我们的分内之事。

11. 公司，企业(通常用于描述其类型)
      You can refer to a company or business as a concern, usually when you are describing what type of company or business it is.

      e.g. If not a large concern, Queensbury Nursery was at least a successful one.
             即使规模不算大，昆斯伯里托儿所至少办得很成功。

12. 就…而言;在…看来
      You can say 'as far as I'm concerned' to indicate that you are giving your own opinion.

      e.g. As far as I'm concerned the officials incited the fight.
             在我看来，是官员们煽动了这场争斗。

13. 就…而言，说到(用于表明所谈论的话题)
      You can say as far as something is concerned to indicate the subject that you are talking about.

      e.g. As far as starting a family is concerned, the trend is for women having their children later in life.
             在要孩子方面，目前的趋势是女性要孩子要得比较晚。

14. 正常运营的公司
      If a company is a going concern, it is actually doing business, rather than having stopped trading or not yet having started trading.

      e.g. The receivers will always prefer to sell a business as a going concern.
             破产管理人总是希望在公司仍然正常运转的时候将其卖掉。

15. 令…担忧的;让…关注的
      If something is of concern to someone, they find it worrying and unsatisfactory.

      e.g. Any injury to a child is a cause of great concern to us...
             孩子受到任何伤害都会让我们非常担心。
      e.g. The survey's findings are a matter of great concern.
             这次调查的结果备受关注。

16. 对…重要的;与…有利害关系的
      If something is of concern to you, it is important to you.

concern

      e.g. How they are paid should be of little concern to the bank as long as they are paid.
             只要肯付款，付款方式对银行来说不是很重要。