猫有九条命是最后一条
[māo yŏu jiŭ tiáo mìng shì zuì hòu yī tiáo]
Cats are often said to have nine lives according to folklore. In this case, the username speaks to living dangerously through that last precious opportunity, emphasizing that there is nothing left to lose. Thereby, every action taken holds utmost value since it may result in irrevocable consequences.