concern的用法是什么？

concern的用法是什么？

n.关心, 关心的事, 忧虑 vt.涉及, 影响, 关心 n.公司, 企业 例句: This restaurant is a family concern. 这家饭店是由一家人经营的。 These problems concern all of us. 这些问题影响到我们每一个人。 How much money I earn is none of your concern. 我挣多少钱与你无关。及物动词 vt. [W]1. (不用被动语态)关于2. 涉及,关系到;影响到The letter is chiefly concerned with export commodities. 这封信主要是关于出口商品的。 The news concerns your brother. 这消息与你兄弟有关。 3. 使担心;使不安[H][(+about/for)]The boy's poor health concerned his parents. 那男孩健康状况不佳,使他的父母亲忧虑。 He is concerned for her safety. 他担心她的安全。 4. 使关心[H][(+about/with)]He was very concerned about her. 他对她非常关心。 名词 n. 1. 关心的事,重要的事[C]That's no concern of mine. 那不关我的事。 2. 关系;利害关系[C][U][(+with/in)]3. 担心,挂念;关怀[U][C][(+about/for)]Andrew expressed his concern