concern
verb OPAL WOPAL S
  /kənˈsɜːn/
  /kənˈsɜːrn/
动词形式
| present simple I / you / we / they concern |  /kənˈsɜːn/  /kənˈsɜːrn/ | 
| he / she / it concerns |  /kənˈsɜːnz/  /kənˈsɜːrnz/ | 
| past simple concerned |  /kənˈsɜːnd/  /kənˈsɜːrnd/ | 
| past participle concerned |  /kənˈsɜːnd/  /kənˈsɜːrnd/ | 
| -ing form concerning |  /kənˈsɜːnɪŋ/  /kənˈsɜːrnɪŋ/ | 
- concern somebody/something to affect somebody/something; to involve somebody/something影响;涉及;牵涉 - Don't interfere in what doesn't concern you.不要管与自己无关的事。 
- To whom it may concern… (= used for example, at the beginning of a public notice or of a job reference about somebody’s character and ability)敬启者…(如用于公告或求职推荐信的开头) 
- Please pay attention because this information concerns all of you.请注意,因为这个信息关系到你们所有人。 
- The letter is for both of us, but it mainly concerns you.这封信是给我们俩的,但主要和你有关系。 
 Collocations Dictionaryadverb- directly
- mainly
- mostly
- …
 - in
 
- Don't interfere in what doesn't concern you.
- concern something(also be concerned with something)to be about something与…有关;涉及 - The story concerns the prince's efforts to rescue Pamina.这故事讲的是王子奋力解救帕米娜。 
- The book is primarily concerned with Soviet-American relations during the Cold War.这部书主要讲的是冷战时期的苏美关系。 
- My question concerns the way he handles the evidence.我的问题是关于他处理证据的方式。 
-  concern itself with something This chapter concerns itself with the historical background.本章旨在讲述历史背景。 
 - One major difference between these computers concerns the way in which they store information.这些计算机彼此之间的一个主要差异涉及其存储信息的方式。 
- The issue here concerns the way in which lexis and grammar relate to each other.这里的问题是关于词汇和语法相互联系的方式。 
- The really important point concerns the effect on the worker. 真正重要的一点是关于对工人的影响。 
 Collocations Dictionaryadverb- directly
- mainly
- mostly
- …
 - in
 
- The story concerns the prince's efforts to rescue Pamina.
- concern somebody to worry somebody让(某人)担忧 - What concerns me is our lack of preparation for the change.让我担心的是我们对事态的变化缺乏准备。 
- Fair use is one issue concerning most musicians.合理使用是大多数音乐家关心的一个问题。 
-  it concerns somebody that… It concerns me that you no longer seem to care.你似乎不再在乎,这令我担忧。 
- It really concerns me that he doesn't eat properly.他不好好吃饭,确实令我担心。 
 Collocations Dictionaryadverb- a lot
- greatly
- really
- …
 
- What concerns me is our lack of preparation for the change.
- concern yourself with/about something to take an interest in something(对…)感兴趣 - He didn't concern himself with the details.他对细节不感兴趣。 
 
- He didn't concern himself with the details.
affect/involve影响;涉及 
be about关于 
worry somebody使某人担心 
take an interest感兴趣 
词源late Middle English: from French concerner or late Latin concernere (in medieval Latin ‘be relevant to’), from con- (expressing intensive force) + cernere ‘sift, discern’.