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]

(不用被动语态)关于

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。

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。

使关心[H][(+about/with)]

He was very concerned about her.

他对她非常关心。

名词 n.

关心的事,重要的事[C]

That's no concern of mine.

那不关我的事。

关系;利害关系[C][U][(+with/in)]

担心,挂念;关怀[U][C][(+about/for)]

Andrew expressed his concern