爱华网一、用作动词
① 关系到，影响
The World Cup taking place in Germany concerns allthe fans throughout the world.
在德国举行的世界杯足球赛影响到全世界所有的球迷们。
注意：其过去分词concerned常用来作表语，意为“和……有关；牵涉”；而作定语，则意为“有关的”。
It is reported that the pop singer is concerned with sellingdrug.
据报道，那个流行歌手涉嫌贩毒。
He asked all concerned to take an active part in helping thegirl.
他要求所有相关的人积极帮助那个女孩。
Don’t interfere in what doesn’t concernyou.别管与自己无关的事。
②使担心；使关心；使烦恼
The boy's poor performance at school concerned his parents.
这个男孩在学校很差的表现，使他父母很担心。
注意：其过去分词concerned通常作形容词用，意为“担心的；烦恼的；忧虑的”。
The concerned parents were all concerned for thechildren's safety.忧心忡忡的家长们都为孩子们的安全担忧。
二、用作名词。
1.有关……的事（可数）
That's my concern, so I'll do as I like about it.
那是我的事，因此，我想怎么做就怎么做。
2.关怀；关心（不可数）
Some people don't show much concern for our environment.
有些人不太关心我们的环境。
3.焦急；忧虑（不可数）
There is now considerable concern for their illness.现在对他们的病相当担心。
There is growing concern that 。。。越来越担心。。。
4.对某人来说最重要或最感兴趣的事（可数）
What are your main concerns as a golf player?作为一个高尔夫球员，你最关心什么？
5.企业；公司；商行（可数）
TCL is a large concern in our country. TCL是我们国家的一个大企业。
6.股份(可数)
Many managers have concerns in their businesses.许多经理在企业中都占有股份。
三、常用搭配：
① concern oneself with / in / about sth. “忙于某事 /关心某事 / 参与某事”。如：
She concerns herself with social welfare.她从事社会福利工作。
② as / so far as sb. / sth.-- be concerned“就某人 /某物而言”。如：
As far as I’m concerned, I don’t object to yourdecision. 就我（个人）而言，我不反对你的决定。
③ be concerned in / with sth. “与某物有牵连”。如：
He was concerned with the crime. 他与那起罪案有关。
④ be concerned to do sth.“把做某事视为自己的事情”。如：
He is always concerned to helpothers.他总是把帮助别人看作是自己的事情。
⑤ show / express concern about / for“对……表示关心、担心”。如：
She showed a great deal of concern for her son’sillness.她非常担心她儿子的病情。
⑥ have a concern in / with... “与……有利害关系”。如：
I have no concern with thatcompany.我与那家公司没什么关系。
⑦ be concerned about... / that...“关心……；担心……”。如：
I’m concerned that they may have got lost.我担心他们可能迷路了。
四、同根词：
① concerned形容词，意为“有关的；担心的”。如：
Concerned parents held a meeting.忧心忡忡的家长们开了一次会。
② concerning介词，意为“关于；有关”。如：
Concerning his proposal, there are pros and cons.关于他的提案，有赞成和反对两种意见。
