He was swaggering around the party in his shiny suit, trying to make everyone notice him.

### 解释 swaggering 是动词 swagger 的现在分词形式。swagger 意思是"大摇大摆地走"或"炫耀地走"，带有一种夸张、傲慢的姿态，通常是为了吸引别人的注意。