be concerned for关心…；为…担忧He should be concerned for the welfare of the workers.他应当关心工人的福利。be concerned about 关心，担忧，挂念这些短语后面都是接名词或代词啊！回答完毕，你看可以不，可以的话，请选为满意答案。希望对你有所帮助，如有疑问，请指出!希望你学习进步，天天开心!...
回答： be conerned about 关心；挂念 例句：Be concerned about the welfare of the poor.关注穷人的福利。 be concerned for关心…；为…担忧 例句：There is a lot of emphasis these days on staying physically...
