Cat是猫，mouse是老鼠，play cat and mouse with somebody直接翻译就是“玩猫抓老鼠游戏”，引申为“欲擒故纵、玩弄、忽冷忽热、时好时坏” 。

【例句】
Zhu Geliang played cat and mouse with Meng Huo in order to conquer him completely.
诸葛亮对孟获欲擒故纵，目的是彻底征服他。

He always play cat and mouse with me. I really don't know what to do.
他对我总是忽冷忽热的。我真不知道该怎么办。