1. The woman grimaced at the children, baring her teeth. Her dark demeanor was repelling enough, and her attitude towards them wasn’t helping.
2. His jacket did little to protect him from the rain, yet he sat outside anyways. He continued to look up and around himself, as if someone would appear, or take notice of him.
Explanation: the idea of “show not tell” is to take lengthy sentences full of descriptors and adjectives and to shorten it into something that conveys the idea rather than describes it. “Dark demeanor” allows you to remove all the description of her dark hair and torn clothes. A characters actions speak louder than their physical appearance. I hope this helps!