Verb
train up (third-person singular simple present trains up, present participle training up, simple past and past participle trained up)
(transitive) To train or educate.
The first four months of writing the book, my mental image is scratching with my hands through granite. My other image is pushing a train up the mountain, and it's icy, and I'm in bare feet. Mary Higgins Clark
Train up a fig-tree in the way it should go, and when you are old sit under the shade of it. Charles Dickens
NFL cheerleading is harder than most people think. They train up to six hours every day with games on Sundays. They gave me a great work ethic. Sarah Shahi
Train up a child in the way he should go. English Proverb