concern [concerns]◼◼◼(that which affects one’s welfare or happiness) noun [UK: kən.ˈsɜːn] [US: kən.ˈsɝːn]It's a big concern. = C'est une grande inquiétude.
inquiétudenom {f}
anxiety [anxieties]◼◼◻(concern) noun [UK: æŋ.ˈzaɪə.ti] [US: æŋ.ˈzaɪə.ti]He caused his parents a lot of anxiety. = Il a causé à ses parents beaucoup d'inquiétudes.