小三不死爱情难防
[xiăo sān bù sĭ ài qíng nán fáng]
If the third party doesn't die, it’s hard to prevent a complicated love situation – The phrase refers to a problematic romantic relationship scenario. It touches upon adultery or cheating. The saying implies a cynical outlook, acknowledging that certain love situations are complex and difficult to control if temptation is present.