tearaway(impetuous and reckless person who is difficult to control; a hothead) noun [UK: ˈteə.rə.weɪ] [US: ˈteə.rə.weɪ]
troublemaker [troublemakers](one who causes trouble, especially deliberately) noun [UK: ˈtrʌbl.meɪkə(r)] [US: ˈtrʌ.bəl.ˌmekər]I always knew John was a troublemaker. = Siempre supe que John era un alborotador.