préoccuper angolul

concern [concerned, concerning, concerns]▼◼◼◼(to make somebody worried)
verb
[UK: kən.ˈsɜːn] [US: kən.ˈsɝːn]

gnaw [gnawed, gnawing, gnaws]▼(to produce anxiety or worry)
verb
[UK: nɔː] [US: ˈnɒ]