项庄舞剑

lit. Xiang Zhuang performs the sword dance, but his mind is set on Liu Bang 劉邦|刘邦[Liu2 Bang1] (idiom, refers to plot to kill Liu Bang during the Hongmen feast 鴻門宴|鸿门宴[Hong2 men2 yan4] in 206 BC)

fig. an elaborate deception hiding malicious intent