The phrase "gives black eye" typically means to cause harm or damage to someone's reputation. Antonyms for this phrase could include "improves reputation," "uplifts," "praises," or "compliments." Instead of causing harm, these words suggest positive actions that could improve someone's standing in the eyes of others. For example, complimenting someone on their hard work or praising them for their achievements can help to build their reputation and make them feel valued. It's important to remember that our words and actions have power, and choosing to use them in a positive way can make a big difference in the lives of those around us.