The phrases "cat and mice" or "cat and mouse" have become idiomatic expressions that refer to a strategy or situation where one party is in pursuit of another. However, there are many synonyms that can replace the words "cat" and "mouse" while still retaining the same meaning. For example, "hunter and hunted," "chaser and chased," "predator and prey," or "pursuer and pursued." These phrases are commonly used in different contexts, including sports, games, and politics, to describe scenarios where one side holds a notable advantage and is relentlessly pursuing the other side. The choice of words used to replace "cat and mice" may vary depending on the situation, but they all convey the idea of a chase or a game of cat and mouse.