Tienes que moderarte. - Acabaré perdiendo los estribos si Rafael no deja de provocarme.You have to restrain yourself. - I'll end up losing my temper if Rafael keeps provoking me.
Ha decidido consultar a un especialista porque no sabe moderarse cuando se trata de comida.He decided to see an expert becase he can't control himself when it comes to food.
Ricardo, si no moderas tu temperamento, tendré que echarte de clase.Ricardo, if you don't moderate your temperament, I'll have to expel you from my class.