be much concerned about十分挂念
be e concerned about关心
be particularly concerned about特别关注
be deeply concerned about深切关怀
be deeply concerned about sth对某事表示深切关注
be much concerned about sth对……非常担忧
Don't be so concerned about不必太过在意
be concerned about sth关心某事;担心某事;担心;担心……
be concerned about teenagers关心青少年