She said it takes about five months of vigorous training for a dog to learn how to track. (articles.orlandosentinel.com)
Our instructors undergo vigorous training before they are deemed fit to give driving lessons to our candidates. (foreverdrivingschool.com)
Of course, seeing as Warner Bros. prides themselves on bulking up their superheroes through vigorous training regimens, it's certainly possible that Wittrock could learn on how to move like Nightwing in the comics and animated movies, at least to an extent that it will be believable for audiences, through some sort of crash course. (screenrant.com)