Glances maliciously' can be summarized as an action where someone looks at another person with a hostile or threatening expression. This expression is often used to indicate that someone is feeling angry or resentful towards another person, and is usually accompanied by a facial expression that conveys this emotion. Glancing maliciously can be seen as a form of intimidation, as it is often used to make the other person feel uncomfortable or threatened. It is also a way of expressing one's displeasure or disapproval of another person's actions.