/kənˈsɜ:n ||; kənˈsɝn/verb[T] 1 to affect or involve sb/sth 影响；牵涉: This does not concern you. Please go away. 这与你无关，请你走吧。It is important that no risks are taken where safety is concerned. 在有关安全的问题上，绝不能冒险。
2 to be about sth 关于: The main problem concerns the huge cost of the project. 主要问题是关于工程的巨额成本。
3 to worry sb 使担心: What concerns me is that we have no long-term plan. 令我担心的是我们没有长远计划。
4 concern yourself with sth to give your attention to sth 关注: You needn't concern yourself with the hotel booking. The travel agent will take care of it. 你不必为预订酒店房间的事操心，旅行社会给你安排的。
be concerned in sth to have a connection with or be involved in sth 涉及；牵涉:
She was concerned in a drugs case some years ago. 若干年前她曾与一宗毒品案有牵连。 be concerned with sth to be about sth 关于:
Tonight's programme is concerned with the effects of the law on ordinary people. 今晚的节目是关于法律对一般人的影响。