Concern

apreensão

(a worry; a sense that something may be wrong; an identification of a possible problem)

negócio

(business, firm or enterprise; a company)

preocupação

(that which affects one’s welfare or happiness)

preocupação

(a worry; a sense that something may be wrong; an identification of a possible problem)

preocupação

(the expression of solicitude, anxiety, or compassion toward a thing or person)

reserva

(a worry; a sense that something may be wrong; an identification of a possible problem)

concernir

(to relate to or be of importance to)

preocupar

(to make somebody worried)

ter a ver com

(to relate to or be of importance to)