concerned的用法与短语表情

The problem is of the same order of magnitude for all concerned.

这个问题对有关各方的'影响是一样大的。

He didn't seem in the least concerned for her safety.

对她的安全他似乎一点都不担心。

She had never been greatly concerned about her appearance.

她从来不怎么注重外貌。

Where people were concerned, his threshold of boredom was low.

涉及人的事情，他便极易感到厌烦。