to be about or involve someone or something
This notice concerns all employees about the new policy.
本通知涉及所有員工關於新政策的事宜。
to be about a topic
The book's first chapter concerns the early history of the city.
這本書的第一章涉及該城市的早期歷史。
to make someone worried
Your health problems concern me, and I think you should see a doctor.
你的健康問題讓我擔心,我認為你應該去看醫生。
to show interest in something
He doesn't concern himself with small details that don't matter.
他不關心那些不重要的小細節。
a feeling of worry
There is growing concern about the safety of the building after the earthquake.
地震後,人們對建築物安全性的擔憂日益增加。
care and help for someone or something
She showed great concern for her sick friend by visiting every day.
她每天探望生病的朋友,表現出極大的關懷。
something that is important to someone
Our main concern is to provide good education for all children.
我們主要關心的是為所有兒童提供良好的教育。
something that is your business or responsibility
How I spend my money is not your concern, so please don't ask.
我怎麼花錢不關你的事,所以請不要過問。
a company or business
The large business concern announced it would create new jobs in the area.
這家大型企業宣布將在該地區創造新的就業機會。