concern/ kən'səːn /

1.noun [u] 
(anxiety) 担忧

There is no cause for concern.
没必要担忧。
2.noun [c] 
(cause of anxiety) 关切的事

Unemployment was the electorate's main concern.
失业是选民们最关切的问题。
3.noun [u/s] 
(care) 关心

4.noun [s] 
(affair) 事务

That's your concern.
那是你的事。
5.noun [c] 
(firm) 公司

It's a family concern.
这是个家族公司。
6.vt.
(worry) 使担忧

One of the things that concerns me is the rise in vandalism.
令我担忧的问题之一是蓄意破坏案件的上升。
7.vt.
(be about) 关于

The book concerns two middle-aged men.
这本书是有关两位中年男性的。
8.vt.
(involve) 关系到

That doesn't concern you.
这跟你没关系。
that's none of your concern
这不关你事儿
concern for sb
为某人担心
it concerns me that...
令我担心的是…
to concern o.s. with
关心
as far as I'm concerned
据我看来
as far as his career is concerned
就他的事业来说
"to whom it may concern"
“致有关人士”
the people concerned
有关人士
9.vt.
(involved) 相关人士

֧ɨ