Third-person singular simple present indicative form of retrain.(verb)
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Use "retrains" in a sentence
"By providing subjects with special glasses that eliminate the image inversion, something interesting happens over a couple of days: your brain retrains itself to perceive the world as you did before, so everything seems normal again."
"For some time now I've been aware of a public-school reform movement (Project Bright IDEA) in North Carolina that retrains existing teachers and has reported truly remarkable results that have far exceeded expectations."
"Our immediate focus right now is to accelerate certain effects throughout the wintertime, a time that traditionally sees less violence, when the enemy refits, rearms, retrains, and prepares for the upcoming spring and summer operations."