From Longman Dictionary of Contemporary Englishaim something at somebodyaim something at somebodySUITABLEto say or do something that is intended for a particular person or group of people The anti-smoking campaign is aimed at teenagers. The criticism wasn’t aimed at you. He aimed his attacks at his opponent, calling him a "political dinosaur."  → aim
                                                    
                                                Examples from the Corpus
aim something at somebody• Soft-drink commercials are aimed mainly at teenagers. 
