be concerned with 是“關(guān)心、掛念”的意思；be concerned about sth 是“關(guān)心某事”的意思，另外be concerned about 還有擔(dān)憂某事的意思，而be concerned with沒(méi)有。

1、be concerned with 關(guān)心；參與，干預(yù)；相干

例如：

Scholars and researchers should not be concerned with whether their work makes a contribution to the larger society.

學(xué)者們和研究者們不用考慮他們的工作是否會(huì)對(duì)社會(huì)有所貢獻(xiàn)。

Is the health of the community we should be concerned with.

社會(huì)的健康才是我們應(yīng)該關(guān)心的。

2、be concerned about 關(guān)心，掛念…… /擔(dān)憂……

例如：

This aggression is the real issue the world should be concerned about.We want to keep that in focus.

這次侵略才是世界應(yīng)該關(guān)注的真正問(wèn)題。我們想繼續(xù)保持關(guān)注。

It is smart and responsible to be concerned about and prepared for hurricanes.

這是聰明和負(fù)責(zé)任地關(guān)心和颶風(fēng)的準(zhǔn)備。